Home / 5,287.74-7,296.90-2,929.86

Finding the Fourth Proportional to 5,287.74, 7,296.90 and 2,929.86

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Solution

The fourth proportional to 5,287.74, 7,296.90 and 2,929.86 is: 4,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.74 : 7,296.90 = 2,929.86 : x
  2. Step 2: Convert to fraction form
    5,287.74/7,296.90 = 2,929.86/x
  3. Step 3: Cross multiply
    5,287.74x = 7,296.90 × 2,929.86
  4. Step 4: Simplify right side
    5,287.74x = 21,378,895.43
  5. Step 5: Solve for x
    x = 21,378,895.43/5,287.74
  6. Step 6: Final answer
    x = 4,043.11

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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.