Home / 4,487.31-6,731.03-2,020.83

Finding the Fourth Proportional to 4,487.31, 6,731.03 and 2,020.83

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Solution

The fourth proportional to 4,487.31, 6,731.03 and 2,020.83 is: 3,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.31 : 6,731.03 = 2,020.83 : x
  2. Step 2: Convert to fraction form
    4,487.31/6,731.03 = 2,020.83/x
  3. Step 3: Cross multiply
    4,487.31x = 6,731.03 × 2,020.83
  4. Step 4: Simplify right side
    4,487.31x = 13,602,257.25
  5. Step 5: Solve for x
    x = 13,602,257.25/4,487.31
  6. Step 6: Final answer
    x = 3,031.27

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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.