Home / 5,391.61-8,082.62-2,103.95

Finding the Fourth Proportional to 5,391.61, 8,082.62 and 2,103.95

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Solution

The fourth proportional to 5,391.61, 8,082.62 and 2,103.95 is: 3,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.61 : 8,082.62 = 2,103.95 : x
  2. Step 2: Convert to fraction form
    5,391.61/8,082.62 = 2,103.95/x
  3. Step 3: Cross multiply
    5,391.61x = 8,082.62 × 2,103.95
  4. Step 4: Simplify right side
    5,391.61x = 17,005,445.93
  5. Step 5: Solve for x
    x = 17,005,445.93/5,391.61
  6. Step 6: Final answer
    x = 3,154.06

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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.