Home / 8,306.20-12,461.39-2,759.57

Finding the Fourth Proportional to 8,306.20, 12,461.39 and 2,759.57

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Solution

The fourth proportional to 8,306.20, 12,461.39 and 2,759.57 is: 4,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.20 : 12,461.39 = 2,759.57 : x
  2. Step 2: Convert to fraction form
    8,306.20/12,461.39 = 2,759.57/x
  3. Step 3: Cross multiply
    8,306.20x = 12,461.39 × 2,759.57
  4. Step 4: Simplify right side
    8,306.20x = 34,388,074.50
  5. Step 5: Solve for x
    x = 34,388,074.50/8,306.20
  6. Step 6: Final answer
    x = 4,140.05

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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.