Home / 8,776.91-13,166.24-3,780.96

Finding the Fourth Proportional to 8,776.91, 13,166.24 and 3,780.96

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Solution

The fourth proportional to 8,776.91, 13,166.24 and 3,780.96 is: 5,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.91 : 13,166.24 = 3,780.96 : x
  2. Step 2: Convert to fraction form
    8,776.91/13,166.24 = 3,780.96/x
  3. Step 3: Cross multiply
    8,776.91x = 13,166.24 × 3,780.96
  4. Step 4: Simplify right side
    8,776.91x = 49,781,026.79
  5. Step 5: Solve for x
    x = 49,781,026.79/8,776.91
  6. Step 6: Final answer
    x = 5,671.82

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1.5x scale

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.