Home / 5,403.01-8,108.17-2,115.70

Finding the Fourth Proportional to 5,403.01, 8,108.17 and 2,115.70

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Solution

The fourth proportional to 5,403.01, 8,108.17 and 2,115.70 is: 3,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.01 : 8,108.17 = 2,115.70 : x
  2. Step 2: Convert to fraction form
    5,403.01/8,108.17 = 2,115.70/x
  3. Step 3: Cross multiply
    5,403.01x = 8,108.17 × 2,115.70
  4. Step 4: Simplify right side
    5,403.01x = 17,154,410.54
  5. Step 5: Solve for x
    x = 17,154,410.54/5,403.01
  6. Step 6: Final answer
    x = 3,174.97

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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.