Home / 5,112.11-7,668.17-1,824.78

Finding the Fourth Proportional to 5,112.11, 7,668.17 and 1,824.78

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Solution

The fourth proportional to 5,112.11, 7,668.17 and 1,824.78 is: 2,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.11 : 7,668.17 = 1,824.78 : x
  2. Step 2: Convert to fraction form
    5,112.11/7,668.17 = 1,824.78/x
  3. Step 3: Cross multiply
    5,112.11x = 7,668.17 × 1,824.78
  4. Step 4: Simplify right side
    5,112.11x = 13,992,706.59
  5. Step 5: Solve for x
    x = 13,992,706.59/5,112.11
  6. Step 6: Final answer
    x = 2,737.17

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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.