Home / 5,686.72-8,531.25-2,399.83

Finding the Fourth Proportional to 5,686.72, 8,531.25 and 2,399.83

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Solution

The fourth proportional to 5,686.72, 8,531.25 and 2,399.83 is: 3,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.72 : 8,531.25 = 2,399.83 : x
  2. Step 2: Convert to fraction form
    5,686.72/8,531.25 = 2,399.83/x
  3. Step 3: Cross multiply
    5,686.72x = 8,531.25 × 2,399.83
  4. Step 4: Simplify right side
    5,686.72x = 20,473,549.69
  5. Step 5: Solve for x
    x = 20,473,549.69/5,686.72
  6. Step 6: Final answer
    x = 3,600.24

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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.