Home / 8,197.60-12,294.96-2,931.76

Finding the Fourth Proportional to 8,197.60, 12,294.96 and 2,931.76

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Solution

The fourth proportional to 8,197.60, 12,294.96 and 2,931.76 is: 4,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.60 : 12,294.96 = 2,931.76 : x
  2. Step 2: Convert to fraction form
    8,197.60/12,294.96 = 2,931.76/x
  3. Step 3: Cross multiply
    8,197.60x = 12,294.96 × 2,931.76
  4. Step 4: Simplify right side
    8,197.60x = 36,045,871.93
  5. Step 5: Solve for x
    x = 36,045,871.93/8,197.60
  6. Step 6: Final answer
    x = 4,397.13

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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.