Home / 8,085.20-12,133.56-7,301.84

Finding the Fourth Proportional to 8,085.20, 12,133.56 and 7,301.84

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Solution

The fourth proportional to 8,085.20, 12,133.56 and 7,301.84 is: 10,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.20 : 12,133.56 = 7,301.84 : x
  2. Step 2: Convert to fraction form
    8,085.20/12,133.56 = 7,301.84/x
  3. Step 3: Cross multiply
    8,085.20x = 12,133.56 × 7,301.84
  4. Step 4: Simplify right side
    8,085.20x = 88,597,313.75
  5. Step 5: Solve for x
    x = 88,597,313.75/8,085.20
  6. Step 6: Final answer
    x = 10,957.96

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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.