Home / 8,380.76-11,565.45-4,843.98

Finding the Fourth Proportional to 8,380.76, 11,565.45 and 4,843.98

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Solution

The fourth proportional to 8,380.76, 11,565.45 and 4,843.98 is: 6,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.76 : 11,565.45 = 4,843.98 : x
  2. Step 2: Convert to fraction form
    8,380.76/11,565.45 = 4,843.98/x
  3. Step 3: Cross multiply
    8,380.76x = 11,565.45 × 4,843.98
  4. Step 4: Simplify right side
    8,380.76x = 56,022,808.49
  5. Step 5: Solve for x
    x = 56,022,808.49/8,380.76
  6. Step 6: Final answer
    x = 6,684.70

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Half scale
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Double scale
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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.