Home / 7,839.18-11,760.39-2,574.59

Finding the Fourth Proportional to 7,839.18, 11,760.39 and 2,574.59

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Solution

The fourth proportional to 7,839.18, 11,760.39 and 2,574.59 is: 3,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.18 : 11,760.39 = 2,574.59 : x
  2. Step 2: Convert to fraction form
    7,839.18/11,760.39 = 2,574.59/x
  3. Step 3: Cross multiply
    7,839.18x = 11,760.39 × 2,574.59
  4. Step 4: Simplify right side
    7,839.18x = 30,278,123.69
  5. Step 5: Solve for x
    x = 30,278,123.69/7,839.18
  6. Step 6: Final answer
    x = 3,862.41

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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.