Home / 7,864.25-11,790.90-2,932.56

Finding the Fourth Proportional to 7,864.25, 11,790.90 and 2,932.56

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Solution

The fourth proportional to 7,864.25, 11,790.90 and 2,932.56 is: 4,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.25 : 11,790.90 = 2,932.56 : x
  2. Step 2: Convert to fraction form
    7,864.25/11,790.90 = 2,932.56/x
  3. Step 3: Cross multiply
    7,864.25x = 11,790.90 × 2,932.56
  4. Step 4: Simplify right side
    7,864.25x = 34,577,521.70
  5. Step 5: Solve for x
    x = 34,577,521.70/7,864.25
  6. Step 6: Final answer
    x = 4,396.80

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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.