Home / 5,660.28-8,489.45-1,764.38

Finding the Fourth Proportional to 5,660.28, 8,489.45 and 1,764.38

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Solution

The fourth proportional to 5,660.28, 8,489.45 and 1,764.38 is: 2,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.28 : 8,489.45 = 1,764.38 : x
  2. Step 2: Convert to fraction form
    5,660.28/8,489.45 = 1,764.38/x
  3. Step 3: Cross multiply
    5,660.28x = 8,489.45 × 1,764.38
  4. Step 4: Simplify right side
    5,660.28x = 14,978,573.34
  5. Step 5: Solve for x
    x = 14,978,573.34/5,660.28
  6. Step 6: Final answer
    x = 2,646.26

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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.