Home / 5,287.43-7,296.65-2,929.58

Finding the Fourth Proportional to 5,287.43, 7,296.65 and 2,929.58

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Solution

The fourth proportional to 5,287.43, 7,296.65 and 2,929.58 is: 4,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.43 : 7,296.65 = 2,929.58 : x
  2. Step 2: Convert to fraction form
    5,287.43/7,296.65 = 2,929.58/x
  3. Step 3: Cross multiply
    5,287.43x = 7,296.65 × 2,929.58
  4. Step 4: Simplify right side
    5,287.43x = 21,376,068.78
  5. Step 5: Solve for x
    x = 21,376,068.78/5,287.43
  6. Step 6: Final answer
    x = 4,042.81

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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.