Home / 5,691.44-8,521.56-3,606.32

Finding the Fourth Proportional to 5,691.44, 8,521.56 and 3,606.32

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Solution

The fourth proportional to 5,691.44, 8,521.56 and 3,606.32 is: 5,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.44 : 8,521.56 = 3,606.32 : x
  2. Step 2: Convert to fraction form
    5,691.44/8,521.56 = 3,606.32/x
  3. Step 3: Cross multiply
    5,691.44x = 8,521.56 × 3,606.32
  4. Step 4: Simplify right side
    5,691.44x = 30,731,472.26
  5. Step 5: Solve for x
    x = 30,731,472.26/5,691.44
  6. Step 6: Final answer
    x = 5,399.60

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1.5x scale

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.