Home / 5,471.77-8,207.66-2,187.17

Finding the Fourth Proportional to 5,471.77, 8,207.66 and 2,187.17

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Solution

The fourth proportional to 5,471.77, 8,207.66 and 2,187.17 is: 3,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.77 : 8,207.66 = 2,187.17 : x
  2. Step 2: Convert to fraction form
    5,471.77/8,207.66 = 2,187.17/x
  3. Step 3: Cross multiply
    5,471.77x = 8,207.66 × 2,187.17
  4. Step 4: Simplify right side
    5,471.77x = 17,951,548.71
  5. Step 5: Solve for x
    x = 17,951,548.71/5,471.77
  6. Step 6: Final answer
    x = 3,280.76

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Similar ratio
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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.