Home / 9,330.86-12,876.57-5,081.85

Finding the Fourth Proportional to 9,330.86, 12,876.57 and 5,081.85

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Solution

The fourth proportional to 9,330.86, 12,876.57 and 5,081.85 is: 7,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.86 : 12,876.57 = 5,081.85 : x
  2. Step 2: Convert to fraction form
    9,330.86/12,876.57 = 5,081.85/x
  3. Step 3: Cross multiply
    9,330.86x = 12,876.57 × 5,081.85
  4. Step 4: Simplify right side
    9,330.86x = 65,436,797.25
  5. Step 5: Solve for x
    x = 65,436,797.25/9,330.86
  6. Step 6: Final answer
    x = 7,012.94

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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.