Home / 5,122.27-7,684.40-2,002.15

Finding the Fourth Proportional to 5,122.27, 7,684.40 and 2,002.15

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Solution

The fourth proportional to 5,122.27, 7,684.40 and 2,002.15 is: 3,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.27 : 7,684.40 = 2,002.15 : x
  2. Step 2: Convert to fraction form
    5,122.27/7,684.40 = 2,002.15/x
  3. Step 3: Cross multiply
    5,122.27x = 7,684.40 × 2,002.15
  4. Step 4: Simplify right side
    5,122.27x = 15,385,321.46
  5. Step 5: Solve for x
    x = 15,385,321.46/5,122.27
  6. Step 6: Final answer
    x = 3,003.61

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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.