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Finding the Fourth Proportional to 10,264.78, 15,404.46 and 4,724.38

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Solution

The fourth proportional to 10,264.78, 15,404.46 and 4,724.38 is: 7,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,264.78 : 15,404.46 = 4,724.38 : x
  2. Step 2: Convert to fraction form
    10,264.78/15,404.46 = 4,724.38/x
  3. Step 3: Cross multiply
    10,264.78x = 15,404.46 × 4,724.38
  4. Step 4: Simplify right side
    10,264.78x = 72,776,522.73
  5. Step 5: Solve for x
    x = 72,776,522.73/10,264.78
  6. Step 6: Final answer
    x = 7,089.93

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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.