Home / 5,294.43-7,940.70-3,100.95

Finding the Fourth Proportional to 5,294.43, 7,940.70 and 3,100.95

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Solution

The fourth proportional to 5,294.43, 7,940.70 and 3,100.95 is: 4,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.43 : 7,940.70 = 3,100.95 : x
  2. Step 2: Convert to fraction form
    5,294.43/7,940.70 = 3,100.95/x
  3. Step 3: Cross multiply
    5,294.43x = 7,940.70 × 3,100.95
  4. Step 4: Simplify right side
    5,294.43x = 24,623,713.67
  5. Step 5: Solve for x
    x = 24,623,713.67/5,294.43
  6. Step 6: Final answer
    x = 4,650.87

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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.