Home / 7,294.13-10,941.15-3,131.43

Finding the Fourth Proportional to 7,294.13, 10,941.15 and 3,131.43

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Solution

The fourth proportional to 7,294.13, 10,941.15 and 3,131.43 is: 4,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.13 : 10,941.15 = 3,131.43 : x
  2. Step 2: Convert to fraction form
    7,294.13/10,941.15 = 3,131.43/x
  3. Step 3: Cross multiply
    7,294.13x = 10,941.15 × 3,131.43
  4. Step 4: Simplify right side
    7,294.13x = 34,261,445.34
  5. Step 5: Solve for x
    x = 34,261,445.34/7,294.13
  6. Step 6: Final answer
    x = 4,697.13

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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.