Home / 5,287.13-7,296.23-2,929.42

Finding the Fourth Proportional to 5,287.13, 7,296.23 and 2,929.42

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Solution

The fourth proportional to 5,287.13, 7,296.23 and 2,929.42 is: 4,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.13 : 7,296.23 = 2,929.42 : x
  2. Step 2: Convert to fraction form
    5,287.13/7,296.23 = 2,929.42/x
  3. Step 3: Cross multiply
    5,287.13x = 7,296.23 × 2,929.42
  4. Step 4: Simplify right side
    5,287.13x = 21,373,711.17
  5. Step 5: Solve for x
    x = 21,373,711.17/5,287.13
  6. Step 6: Final answer
    x = 4,042.60

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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.