Home / 8,306.53-12,458.57-2,759.75

Finding the Fourth Proportional to 8,306.53, 12,458.57 and 2,759.75

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Solution

The fourth proportional to 8,306.53, 12,458.57 and 2,759.75 is: 4,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.53 : 12,458.57 = 2,759.75 : x
  2. Step 2: Convert to fraction form
    8,306.53/12,458.57 = 2,759.75/x
  3. Step 3: Cross multiply
    8,306.53x = 12,458.57 × 2,759.75
  4. Step 4: Simplify right side
    8,306.53x = 34,382,538.56
  5. Step 5: Solve for x
    x = 34,382,538.56/8,306.53
  6. Step 6: Final answer
    x = 4,139.22

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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.