Home / 10,387.78-15,572.99-4,838.27

Finding the Fourth Proportional to 10,387.78, 15,572.99 and 4,838.27

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Solution

The fourth proportional to 10,387.78, 15,572.99 and 4,838.27 is: 7,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.78 : 15,572.99 = 4,838.27 : x
  2. Step 2: Convert to fraction form
    10,387.78/15,572.99 = 4,838.27/x
  3. Step 3: Cross multiply
    10,387.78x = 15,572.99 × 4,838.27
  4. Step 4: Simplify right side
    10,387.78x = 75,346,264.56
  5. Step 5: Solve for x
    x = 75,346,264.56/10,387.78
  6. Step 6: Final answer
    x = 7,253.36

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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.