Home / 8,912.08-13,369.34-3,716.76

Finding the Fourth Proportional to 8,912.08, 13,369.34 and 3,716.76

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Solution

The fourth proportional to 8,912.08, 13,369.34 and 3,716.76 is: 5,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.08 : 13,369.34 = 3,716.76 : x
  2. Step 2: Convert to fraction form
    8,912.08/13,369.34 = 3,716.76/x
  3. Step 3: Cross multiply
    8,912.08x = 13,369.34 × 3,716.76
  4. Step 4: Simplify right side
    8,912.08x = 49,690,628.14
  5. Step 5: Solve for x
    x = 49,690,628.14/8,912.08
  6. Step 6: Final answer
    x = 5,575.65

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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.