Home / 8,332.45-12,500.66-2,489.22

Finding the Fourth Proportional to 8,332.45, 12,500.66 and 2,489.22

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Solution

The fourth proportional to 8,332.45, 12,500.66 and 2,489.22 is: 3,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.45 : 12,500.66 = 2,489.22 : x
  2. Step 2: Convert to fraction form
    8,332.45/12,500.66 = 2,489.22/x
  3. Step 3: Cross multiply
    8,332.45x = 12,500.66 × 2,489.22
  4. Step 4: Simplify right side
    8,332.45x = 31,116,899.11
  5. Step 5: Solve for x
    x = 31,116,899.11/8,332.45
  6. Step 6: Final answer
    x = 3,734.42

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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.