Home / 8,759.39-12,099.12-6,730.49

Finding the Fourth Proportional to 8,759.39, 12,099.12 and 6,730.49

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Solution

The fourth proportional to 8,759.39, 12,099.12 and 6,730.49 is: 9,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.39 : 12,099.12 = 6,730.49 : x
  2. Step 2: Convert to fraction form
    8,759.39/12,099.12 = 6,730.49/x
  3. Step 3: Cross multiply
    8,759.39x = 12,099.12 × 6,730.49
  4. Step 4: Simplify right side
    8,759.39x = 81,433,049.04
  5. Step 5: Solve for x
    x = 81,433,049.04/8,759.39
  6. Step 6: Final answer
    x = 9,296.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.