Home / 5,671.38-8,505.92-2,158.97

Finding the Fourth Proportional to 5,671.38, 8,505.92 and 2,158.97

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Solution

The fourth proportional to 5,671.38, 8,505.92 and 2,158.97 is: 3,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.38 : 8,505.92 = 2,158.97 : x
  2. Step 2: Convert to fraction form
    5,671.38/8,505.92 = 2,158.97/x
  3. Step 3: Cross multiply
    5,671.38x = 8,505.92 × 2,158.97
  4. Step 4: Simplify right side
    5,671.38x = 18,363,988.97
  5. Step 5: Solve for x
    x = 18,363,988.97/5,671.38
  6. Step 6: Final answer
    x = 3,238.01

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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.