Home / 8,160.55-12,243.20-2,613.77

Finding the Fourth Proportional to 8,160.55, 12,243.20 and 2,613.77

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Solution

The fourth proportional to 8,160.55, 12,243.20 and 2,613.77 is: 3,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.55 : 12,243.20 = 2,613.77 : x
  2. Step 2: Convert to fraction form
    8,160.55/12,243.20 = 2,613.77/x
  3. Step 3: Cross multiply
    8,160.55x = 12,243.20 × 2,613.77
  4. Step 4: Simplify right side
    8,160.55x = 32,000,895.19
  5. Step 5: Solve for x
    x = 32,000,895.19/8,160.55
  6. Step 6: Final answer
    x = 3,921.42

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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.