Home / 10,295.28-15,442.89-3,721.47

Finding the Fourth Proportional to 10,295.28, 15,442.89 and 3,721.47

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Solution

The fourth proportional to 10,295.28, 15,442.89 and 3,721.47 is: 5,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.28 : 15,442.89 = 3,721.47 : x
  2. Step 2: Convert to fraction form
    10,295.28/15,442.89 = 3,721.47/x
  3. Step 3: Cross multiply
    10,295.28x = 15,442.89 × 3,721.47
  4. Step 4: Simplify right side
    10,295.28x = 57,470,251.85
  5. Step 5: Solve for x
    x = 57,470,251.85/10,295.28
  6. Step 6: Final answer
    x = 5,582.19

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1.5x scale

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.