Home / 7,839.99-11,759.24-2,574.86

Finding the Fourth Proportional to 7,839.99, 11,759.24 and 2,574.86

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Solution

The fourth proportional to 7,839.99, 11,759.24 and 2,574.86 is: 3,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.99 : 11,759.24 = 2,574.86 : x
  2. Step 2: Convert to fraction form
    7,839.99/11,759.24 = 2,574.86/x
  3. Step 3: Cross multiply
    7,839.99x = 11,759.24 × 2,574.86
  4. Step 4: Simplify right side
    7,839.99x = 30,278,344.35
  5. Step 5: Solve for x
    x = 30,278,344.35/7,839.99
  6. Step 6: Final answer
    x = 3,862.04

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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.