Home / 8,245.12-12,340.13-4,902.52

Finding the Fourth Proportional to 8,245.12, 12,340.13 and 4,902.52

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Solution

The fourth proportional to 8,245.12, 12,340.13 and 4,902.52 is: 7,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.12 : 12,340.13 = 4,902.52 : x
  2. Step 2: Convert to fraction form
    8,245.12/12,340.13 = 4,902.52/x
  3. Step 3: Cross multiply
    8,245.12x = 12,340.13 × 4,902.52
  4. Step 4: Simplify right side
    8,245.12x = 60,497,734.13
  5. Step 5: Solve for x
    x = 60,497,734.13/8,245.12
  6. Step 6: Final answer
    x = 7,337.40

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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.