Home / 8,743.76-13,119.51-4,582.78

Finding the Fourth Proportional to 8,743.76, 13,119.51 and 4,582.78

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Solution

The fourth proportional to 8,743.76, 13,119.51 and 4,582.78 is: 6,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.76 : 13,119.51 = 4,582.78 : x
  2. Step 2: Convert to fraction form
    8,743.76/13,119.51 = 4,582.78/x
  3. Step 3: Cross multiply
    8,743.76x = 13,119.51 × 4,582.78
  4. Step 4: Simplify right side
    8,743.76x = 60,123,812.42
  5. Step 5: Solve for x
    x = 60,123,812.42/8,743.76
  6. Step 6: Final answer
    x = 6,876.20

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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.