Home / 8,195.40-11,310.64-4,658.92

Finding the Fourth Proportional to 8,195.40, 11,310.64 and 4,658.92

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Solution

The fourth proportional to 8,195.40, 11,310.64 and 4,658.92 is: 6,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.40 : 11,310.64 = 4,658.92 : x
  2. Step 2: Convert to fraction form
    8,195.40/11,310.64 = 4,658.92/x
  3. Step 3: Cross multiply
    8,195.40x = 11,310.64 × 4,658.92
  4. Step 4: Simplify right side
    8,195.40x = 52,695,366.91
  5. Step 5: Solve for x
    x = 52,695,366.91/8,195.40
  6. Step 6: Final answer
    x = 6,429.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.