Home / 6,243.04-8,615.39-3,448.54

Finding the Fourth Proportional to 6,243.04, 8,615.39 and 3,448.54

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Solution

The fourth proportional to 6,243.04, 8,615.39 and 3,448.54 is: 4,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.04 : 8,615.39 = 3,448.54 : x
  2. Step 2: Convert to fraction form
    6,243.04/8,615.39 = 3,448.54/x
  3. Step 3: Cross multiply
    6,243.04x = 8,615.39 × 3,448.54
  4. Step 4: Simplify right side
    6,243.04x = 29,710,517.03
  5. Step 5: Solve for x
    x = 29,710,517.03/6,243.04
  6. Step 6: Final answer
    x = 4,758.98

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Half scale
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Double scale
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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.