Home / 7,711.52-11,570.04-2,517.40

Finding the Fourth Proportional to 7,711.52, 11,570.04 and 2,517.40

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Solution

The fourth proportional to 7,711.52, 11,570.04 and 2,517.40 is: 3,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.52 : 11,570.04 = 2,517.40 : x
  2. Step 2: Convert to fraction form
    7,711.52/11,570.04 = 2,517.40/x
  3. Step 3: Cross multiply
    7,711.52x = 11,570.04 × 2,517.40
  4. Step 4: Simplify right side
    7,711.52x = 29,126,418.70
  5. Step 5: Solve for x
    x = 29,126,418.70/7,711.52
  6. Step 6: Final answer
    x = 3,777.00

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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.