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Finding the Fourth Proportional to 5,287.44, 7,296.78 and 2,929.74

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Solution

The fourth proportional to 5,287.44, 7,296.78 and 2,929.74 is: 4,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.44 : 7,296.78 = 2,929.74 : x
  2. Step 2: Convert to fraction form
    5,287.44/7,296.78 = 2,929.74/x
  3. Step 3: Cross multiply
    5,287.44x = 7,296.78 × 2,929.74
  4. Step 4: Simplify right side
    5,287.44x = 21,377,668.24
  5. Step 5: Solve for x
    x = 21,377,668.24/5,287.44
  6. Step 6: Final answer
    x = 4,043.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.