Home / 5,417.57-8,122.39-3,658.22

Finding the Fourth Proportional to 5,417.57, 8,122.39 and 3,658.22

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Solution

The fourth proportional to 5,417.57, 8,122.39 and 3,658.22 is: 5,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.57 : 8,122.39 = 3,658.22 : x
  2. Step 2: Convert to fraction form
    5,417.57/8,122.39 = 3,658.22/x
  3. Step 3: Cross multiply
    5,417.57x = 8,122.39 × 3,658.22
  4. Step 4: Simplify right side
    5,417.57x = 29,713,489.55
  5. Step 5: Solve for x
    x = 29,713,489.55/5,417.57
  6. Step 6: Final answer
    x = 5,484.65

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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.