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Finding the Fourth Proportional to 7,524.16, 11,286.16 and 2,903.92

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Solution

The fourth proportional to 7,524.16, 11,286.16 and 2,903.92 is: 4,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.16 : 11,286.16 = 2,903.92 : x
  2. Step 2: Convert to fraction form
    7,524.16/11,286.16 = 2,903.92/x
  3. Step 3: Cross multiply
    7,524.16x = 11,286.16 × 2,903.92
  4. Step 4: Simplify right side
    7,524.16x = 32,774,105.75
  5. Step 5: Solve for x
    x = 32,774,105.75/7,524.16
  6. Step 6: Final answer
    x = 4,355.85

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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.