Home / 8,660.39-12,981.29-4,499.37

Finding the Fourth Proportional to 8,660.39, 12,981.29 and 4,499.37

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Solution

The fourth proportional to 8,660.39, 12,981.29 and 4,499.37 is: 6,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.39 : 12,981.29 = 4,499.37 : x
  2. Step 2: Convert to fraction form
    8,660.39/12,981.29 = 4,499.37/x
  3. Step 3: Cross multiply
    8,660.39x = 12,981.29 × 4,499.37
  4. Step 4: Simplify right side
    8,660.39x = 58,407,604.29
  5. Step 5: Solve for x
    x = 58,407,604.29/8,660.39
  6. Step 6: Final answer
    x = 6,744.23

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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.