Home / 7,882.60-11,823.90-3,722.72

Finding the Fourth Proportional to 7,882.60, 11,823.90 and 3,722.72

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Solution

The fourth proportional to 7,882.60, 11,823.90 and 3,722.72 is: 5,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.60 : 11,823.90 = 3,722.72 : x
  2. Step 2: Convert to fraction form
    7,882.60/11,823.90 = 3,722.72/x
  3. Step 3: Cross multiply
    7,882.60x = 11,823.90 × 3,722.72
  4. Step 4: Simplify right side
    7,882.60x = 44,017,069.01
  5. Step 5: Solve for x
    x = 44,017,069.01/7,882.60
  6. Step 6: Final answer
    x = 5,584.08

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Similar ratio
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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.