Home / 7,891.20-11,825.52-5,794.76

Finding the Fourth Proportional to 7,891.20, 11,825.52 and 5,794.76

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Solution

The fourth proportional to 7,891.20, 11,825.52 and 5,794.76 is: 8,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.20 : 11,825.52 = 5,794.76 : x
  2. Step 2: Convert to fraction form
    7,891.20/11,825.52 = 5,794.76/x
  3. Step 3: Cross multiply
    7,891.20x = 11,825.52 × 5,794.76
  4. Step 4: Simplify right side
    7,891.20x = 68,526,050.28
  5. Step 5: Solve for x
    x = 68,526,050.28/7,891.20
  6. Step 6: Final answer
    x = 8,683.86

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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.