Home / 5,613.21-8,382.17-5,328.90

Finding the Fourth Proportional to 5,613.21, 8,382.17 and 5,328.90

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Solution

The fourth proportional to 5,613.21, 8,382.17 and 5,328.90 is: 7,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.21 : 8,382.17 = 5,328.90 : x
  2. Step 2: Convert to fraction form
    5,613.21/8,382.17 = 5,328.90/x
  3. Step 3: Cross multiply
    5,613.21x = 8,382.17 × 5,328.90
  4. Step 4: Simplify right side
    5,613.21x = 44,667,759.04
  5. Step 5: Solve for x
    x = 44,667,759.04/5,613.21
  6. Step 6: Final answer
    x = 7,957.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.