Home / 5,287.17-7,296.35-2,929.53

Finding the Fourth Proportional to 5,287.17, 7,296.35 and 2,929.53

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Solution

The fourth proportional to 5,287.17, 7,296.35 and 2,929.53 is: 4,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.17 : 7,296.35 = 2,929.53 : x
  2. Step 2: Convert to fraction form
    5,287.17/7,296.35 = 2,929.53/x
  3. Step 3: Cross multiply
    5,287.17x = 7,296.35 × 2,929.53
  4. Step 4: Simplify right side
    5,287.17x = 21,374,861.57
  5. Step 5: Solve for x
    x = 21,374,861.57/5,287.17
  6. Step 6: Final answer
    x = 4,042.78

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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.