Home / 8,004.28-12,008.20-2,458.18

Finding the Fourth Proportional to 8,004.28, 12,008.20 and 2,458.18

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Solution

The fourth proportional to 8,004.28, 12,008.20 and 2,458.18 is: 3,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.28 : 12,008.20 = 2,458.18 : x
  2. Step 2: Convert to fraction form
    8,004.28/12,008.20 = 2,458.18/x
  3. Step 3: Cross multiply
    8,004.28x = 12,008.20 × 2,458.18
  4. Step 4: Simplify right side
    8,004.28x = 29,518,335.16
  5. Step 5: Solve for x
    x = 29,518,335.16/8,004.28
  6. Step 6: Final answer
    x = 3,687.82

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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.