Home / 7,294.43-10,941.58-3,131.74

Finding the Fourth Proportional to 7,294.43, 10,941.58 and 3,131.74

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Solution

The fourth proportional to 7,294.43, 10,941.58 and 3,131.74 is: 4,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.43 : 10,941.58 = 3,131.74 : x
  2. Step 2: Convert to fraction form
    7,294.43/10,941.58 = 3,131.74/x
  3. Step 3: Cross multiply
    7,294.43x = 10,941.58 × 3,131.74
  4. Step 4: Simplify right side
    7,294.43x = 34,266,201.34
  5. Step 5: Solve for x
    x = 34,266,201.34/7,294.43
  6. Step 6: Final answer
    x = 4,697.58

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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.