Home / 5,383.20-8,061.84-3,646.56

Finding the Fourth Proportional to 5,383.20, 8,061.84 and 3,646.56

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Solution

The fourth proportional to 5,383.20, 8,061.84 and 3,646.56 is: 5,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.20 : 8,061.84 = 3,646.56 : x
  2. Step 2: Convert to fraction form
    5,383.20/8,061.84 = 3,646.56/x
  3. Step 3: Cross multiply
    5,383.20x = 8,061.84 × 3,646.56
  4. Step 4: Simplify right side
    5,383.20x = 29,397,983.27
  5. Step 5: Solve for x
    x = 29,397,983.27/5,383.20
  6. Step 6: Final answer
    x = 5,461.06

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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.