Home / 7,847.28-11,770.92-2,652.75

Finding the Fourth Proportional to 7,847.28, 11,770.92 and 2,652.75

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Solution

The fourth proportional to 7,847.28, 11,770.92 and 2,652.75 is: 3,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.28 : 11,770.92 = 2,652.75 : x
  2. Step 2: Convert to fraction form
    7,847.28/11,770.92 = 2,652.75/x
  3. Step 3: Cross multiply
    7,847.28x = 11,770.92 × 2,652.75
  4. Step 4: Simplify right side
    7,847.28x = 31,225,308.03
  5. Step 5: Solve for x
    x = 31,225,308.03/7,847.28
  6. Step 6: Final answer
    x = 3,979.13

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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.