Home / 6,170.40-8,515.32-3,517.92

Finding the Fourth Proportional to 6,170.40, 8,515.32 and 3,517.92

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Solution

The fourth proportional to 6,170.40, 8,515.32 and 3,517.92 is: 4,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.40 : 8,515.32 = 3,517.92 : x
  2. Step 2: Convert to fraction form
    6,170.40/8,515.32 = 3,517.92/x
  3. Step 3: Cross multiply
    6,170.40x = 8,515.32 × 3,517.92
  4. Step 4: Simplify right side
    6,170.40x = 29,956,214.53
  5. Step 5: Solve for x
    x = 29,956,214.53/6,170.40
  6. Step 6: Final answer
    x = 4,854.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.