Home / 5,020.42-7,531.34-2,098.06

Finding the Fourth Proportional to 5,020.42, 7,531.34 and 2,098.06

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Solution

The fourth proportional to 5,020.42, 7,531.34 and 2,098.06 is: 3,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.42 : 7,531.34 = 2,098.06 : x
  2. Step 2: Convert to fraction form
    5,020.42/7,531.34 = 2,098.06/x
  3. Step 3: Cross multiply
    5,020.42x = 7,531.34 × 2,098.06
  4. Step 4: Simplify right side
    5,020.42x = 15,801,203.20
  5. Step 5: Solve for x
    x = 15,801,203.20/5,020.42
  6. Step 6: Final answer
    x = 3,147.39

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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.