Home / 5,489.28-8,235.24-2,566.20

Finding the Fourth Proportional to 5,489.28, 8,235.24 and 2,566.20

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Solution

The fourth proportional to 5,489.28, 8,235.24 and 2,566.20 is: 3,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.28 : 8,235.24 = 2,566.20 : x
  2. Step 2: Convert to fraction form
    5,489.28/8,235.24 = 2,566.20/x
  3. Step 3: Cross multiply
    5,489.28x = 8,235.24 × 2,566.20
  4. Step 4: Simplify right side
    5,489.28x = 21,133,272.89
  5. Step 5: Solve for x
    x = 21,133,272.89/5,489.28
  6. Step 6: Final answer
    x = 3,849.92

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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.