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Finding the Fourth Proportional to 6,242.76, 8,615.01 and 3,448.26

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Solution

The fourth proportional to 6,242.76, 8,615.01 and 3,448.26 is: 4,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.76 : 8,615.01 = 3,448.26 : x
  2. Step 2: Convert to fraction form
    6,242.76/8,615.01 = 3,448.26/x
  3. Step 3: Cross multiply
    6,242.76x = 8,615.01 × 3,448.26
  4. Step 4: Simplify right side
    6,242.76x = 29,706,794.38
  5. Step 5: Solve for x
    x = 29,706,794.38/6,242.76
  6. Step 6: Final answer
    x = 4,758.60

Related Problems

Find fourth proportional to 3,121.38, 4,307.51 and 1,724.13
Half scale
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Double scale
Find fourth proportional to 6,243.76, 8,616.39 and 3,449.26
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.