Home / 5,320.59-7,342.49-3,082.63

Finding the Fourth Proportional to 5,320.59, 7,342.49 and 3,082.63

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Solution

The fourth proportional to 5,320.59, 7,342.49 and 3,082.63 is: 4,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.59 : 7,342.49 = 3,082.63 : x
  2. Step 2: Convert to fraction form
    5,320.59/7,342.49 = 3,082.63/x
  3. Step 3: Cross multiply
    5,320.59x = 7,342.49 × 3,082.63
  4. Step 4: Simplify right side
    5,320.59x = 22,634,169.30
  5. Step 5: Solve for x
    x = 22,634,169.30/5,320.59
  6. Step 6: Final answer
    x = 4,254.07

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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.