Home / 8,207.32-12,291.42-4,247.98

Finding the Fourth Proportional to 8,207.32, 12,291.42 and 4,247.98

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Solution

The fourth proportional to 8,207.32, 12,291.42 and 4,247.98 is: 6,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.32 : 12,291.42 = 4,247.98 : x
  2. Step 2: Convert to fraction form
    8,207.32/12,291.42 = 4,247.98/x
  3. Step 3: Cross multiply
    8,207.32x = 12,291.42 × 4,247.98
  4. Step 4: Simplify right side
    8,207.32x = 52,213,706.33
  5. Step 5: Solve for x
    x = 52,213,706.33/8,207.32
  6. Step 6: Final answer
    x = 6,361.85

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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.