Home / 5,320.80-7,342.61-3,082.77

Finding the Fourth Proportional to 5,320.80, 7,342.61 and 3,082.77

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Solution

The fourth proportional to 5,320.80, 7,342.61 and 3,082.77 is: 4,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.80 : 7,342.61 = 3,082.77 : x
  2. Step 2: Convert to fraction form
    5,320.80/7,342.61 = 3,082.77/x
  3. Step 3: Cross multiply
    5,320.80x = 7,342.61 × 3,082.77
  4. Step 4: Simplify right side
    5,320.80x = 22,635,562.42
  5. Step 5: Solve for x
    x = 22,635,562.42/5,320.80
  6. Step 6: Final answer
    x = 4,254.17

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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.