Home / 5,292.18-7,929.63-3,338.10

Finding the Fourth Proportional to 5,292.18, 7,929.63 and 3,338.10

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Solution

The fourth proportional to 5,292.18, 7,929.63 and 3,338.10 is: 5,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.18 : 7,929.63 = 3,338.10 : x
  2. Step 2: Convert to fraction form
    5,292.18/7,929.63 = 3,338.10/x
  3. Step 3: Cross multiply
    5,292.18x = 7,929.63 × 3,338.10
  4. Step 4: Simplify right side
    5,292.18x = 26,469,897.90
  5. Step 5: Solve for x
    x = 26,469,897.90/5,292.18
  6. Step 6: Final answer
    x = 5,001.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.