Home / 5,658.50-8,489.91-2,196.02

Finding the Fourth Proportional to 5,658.50, 8,489.91 and 2,196.02

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Solution

The fourth proportional to 5,658.50, 8,489.91 and 2,196.02 is: 3,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.50 : 8,489.91 = 2,196.02 : x
  2. Step 2: Convert to fraction form
    5,658.50/8,489.91 = 2,196.02/x
  3. Step 3: Cross multiply
    5,658.50x = 8,489.91 × 2,196.02
  4. Step 4: Simplify right side
    5,658.50x = 18,644,012.16
  5. Step 5: Solve for x
    x = 18,644,012.16/5,658.50
  6. Step 6: Final answer
    x = 3,294.87

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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.