Home / 5,084.20-7,627.02-2,487.28

Finding the Fourth Proportional to 5,084.20, 7,627.02 and 2,487.28

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Solution

The fourth proportional to 5,084.20, 7,627.02 and 2,487.28 is: 3,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.20 : 7,627.02 = 2,487.28 : x
  2. Step 2: Convert to fraction form
    5,084.20/7,627.02 = 2,487.28/x
  3. Step 3: Cross multiply
    5,084.20x = 7,627.02 × 2,487.28
  4. Step 4: Simplify right side
    5,084.20x = 18,970,534.31
  5. Step 5: Solve for x
    x = 18,970,534.31/5,084.20
  6. Step 6: Final answer
    x = 3,731.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.