Home / 8,082.49-12,117.19-3,636.89

Finding the Fourth Proportional to 8,082.49, 12,117.19 and 3,636.89

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Solution

The fourth proportional to 8,082.49, 12,117.19 and 3,636.89 is: 5,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.49 : 12,117.19 = 3,636.89 : x
  2. Step 2: Convert to fraction form
    8,082.49/12,117.19 = 3,636.89/x
  3. Step 3: Cross multiply
    8,082.49x = 12,117.19 × 3,636.89
  4. Step 4: Simplify right side
    8,082.49x = 44,068,887.14
  5. Step 5: Solve for x
    x = 44,068,887.14/8,082.49
  6. Step 6: Final answer
    x = 5,452.39

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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.