Home / 7,728.60-11,592.90-2,182.13

Finding the Fourth Proportional to 7,728.60, 11,592.90 and 2,182.13

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Solution

The fourth proportional to 7,728.60, 11,592.90 and 2,182.13 is: 3,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.60 : 11,592.90 = 2,182.13 : x
  2. Step 2: Convert to fraction form
    7,728.60/11,592.90 = 2,182.13/x
  3. Step 3: Cross multiply
    7,728.60x = 11,592.90 × 2,182.13
  4. Step 4: Simplify right side
    7,728.60x = 25,297,214.88
  5. Step 5: Solve for x
    x = 25,297,214.88/7,728.60
  6. Step 6: Final answer
    x = 3,273.20

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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.