Home / 7,127.46-10,691.63-2,744.92

Finding the Fourth Proportional to 7,127.46, 10,691.63 and 2,744.92

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Solution

The fourth proportional to 7,127.46, 10,691.63 and 2,744.92 is: 4,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.46 : 10,691.63 = 2,744.92 : x
  2. Step 2: Convert to fraction form
    7,127.46/10,691.63 = 2,744.92/x
  3. Step 3: Cross multiply
    7,127.46x = 10,691.63 × 2,744.92
  4. Step 4: Simplify right side
    7,127.46x = 29,347,668.66
  5. Step 5: Solve for x
    x = 29,347,668.66/7,127.46
  6. Step 6: Final answer
    x = 4,117.55

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1.5x scale

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.