Home / 8,302.75-12,454.67-3,685.75

Finding the Fourth Proportional to 8,302.75, 12,454.67 and 3,685.75

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Solution

The fourth proportional to 8,302.75, 12,454.67 and 3,685.75 is: 5,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.75 : 12,454.67 = 3,685.75 : x
  2. Step 2: Convert to fraction form
    8,302.75/12,454.67 = 3,685.75/x
  3. Step 3: Cross multiply
    8,302.75x = 12,454.67 × 3,685.75
  4. Step 4: Simplify right side
    8,302.75x = 45,904,799.95
  5. Step 5: Solve for x
    x = 45,904,799.95/8,302.75
  6. Step 6: Final answer
    x = 5,528.87

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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.