Home / 8,490.40-12,734.24-2,332.96

Finding the Fourth Proportional to 8,490.40, 12,734.24 and 2,332.96

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Solution

The fourth proportional to 8,490.40, 12,734.24 and 2,332.96 is: 3,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.40 : 12,734.24 = 2,332.96 : x
  2. Step 2: Convert to fraction form
    8,490.40/12,734.24 = 2,332.96/x
  3. Step 3: Cross multiply
    8,490.40x = 12,734.24 × 2,332.96
  4. Step 4: Simplify right side
    8,490.40x = 29,708,472.55
  5. Step 5: Solve for x
    x = 29,708,472.55/8,490.40
  6. Step 6: Final answer
    x = 3,499.07

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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.