Home / 5,518.25-7,615.19-3,034.25

Finding the Fourth Proportional to 5,518.25, 7,615.19 and 3,034.25

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Solution

The fourth proportional to 5,518.25, 7,615.19 and 3,034.25 is: 4,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.25 : 7,615.19 = 3,034.25 : x
  2. Step 2: Convert to fraction form
    5,518.25/7,615.19 = 3,034.25/x
  3. Step 3: Cross multiply
    5,518.25x = 7,615.19 × 3,034.25
  4. Step 4: Simplify right side
    5,518.25x = 23,106,390.26
  5. Step 5: Solve for x
    x = 23,106,390.26/5,518.25
  6. Step 6: Final answer
    x = 4,187.27

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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.