Home / 8,000.05-12,002.38-2,454.21

Finding the Fourth Proportional to 8,000.05, 12,002.38 and 2,454.21

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Solution

The fourth proportional to 8,000.05, 12,002.38 and 2,454.21 is: 3,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.05 : 12,002.38 = 2,454.21 : x
  2. Step 2: Convert to fraction form
    8,000.05/12,002.38 = 2,454.21/x
  3. Step 3: Cross multiply
    8,000.05x = 12,002.38 × 2,454.21
  4. Step 4: Simplify right side
    8,000.05x = 29,456,361.02
  5. Step 5: Solve for x
    x = 29,456,361.02/8,000.05
  6. Step 6: Final answer
    x = 3,682.02

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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.