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Finding the Fourth Proportional to 7,833.80, 11,750.52 and 2,286.92

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Solution

The fourth proportional to 7,833.80, 11,750.52 and 2,286.92 is: 3,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.80 : 11,750.52 = 2,286.92 : x
  2. Step 2: Convert to fraction form
    7,833.80/11,750.52 = 2,286.92/x
  3. Step 3: Cross multiply
    7,833.80x = 11,750.52 × 2,286.92
  4. Step 4: Simplify right side
    7,833.80x = 26,872,499.20
  5. Step 5: Solve for x
    x = 26,872,499.20/7,833.80
  6. Step 6: Final answer
    x = 3,430.33

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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.