Home / 5,402.18-8,098.40-1,938.62

Finding the Fourth Proportional to 5,402.18, 8,098.40 and 1,938.62

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Solution

The fourth proportional to 5,402.18, 8,098.40 and 1,938.62 is: 2,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.18 : 8,098.40 = 1,938.62 : x
  2. Step 2: Convert to fraction form
    5,402.18/8,098.40 = 1,938.62/x
  3. Step 3: Cross multiply
    5,402.18x = 8,098.40 × 1,938.62
  4. Step 4: Simplify right side
    5,402.18x = 15,699,720.21
  5. Step 5: Solve for x
    x = 15,699,720.21/5,402.18
  6. Step 6: Final answer
    x = 2,906.18

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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.