Home / 5,631.39-8,449.47-3,031.29

Finding the Fourth Proportional to 5,631.39, 8,449.47 and 3,031.29

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Solution

The fourth proportional to 5,631.39, 8,449.47 and 3,031.29 is: 4,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.39 : 8,449.47 = 3,031.29 : x
  2. Step 2: Convert to fraction form
    5,631.39/8,449.47 = 3,031.29/x
  3. Step 3: Cross multiply
    5,631.39x = 8,449.47 × 3,031.29
  4. Step 4: Simplify right side
    5,631.39x = 25,612,793.92
  5. Step 5: Solve for x
    x = 25,612,793.92/5,631.39
  6. Step 6: Final answer
    x = 4,548.22

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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.