Home / 6,731.39-9,294.32-4,082.39

Finding the Fourth Proportional to 6,731.39, 9,294.32 and 4,082.39

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Solution

The fourth proportional to 6,731.39, 9,294.32 and 4,082.39 is: 5,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.39 : 9,294.32 = 4,082.39 : x
  2. Step 2: Convert to fraction form
    6,731.39/9,294.32 = 4,082.39/x
  3. Step 3: Cross multiply
    6,731.39x = 9,294.32 × 4,082.39
  4. Step 4: Simplify right side
    6,731.39x = 37,942,972.14
  5. Step 5: Solve for x
    x = 37,942,972.14/6,731.39
  6. Step 6: Final answer
    x = 5,636.73

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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.