Home / 8,816.66-13,227.68-2,972.78

Finding the Fourth Proportional to 8,816.66, 13,227.68 and 2,972.78

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Solution

The fourth proportional to 8,816.66, 13,227.68 and 2,972.78 is: 4,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.66 : 13,227.68 = 2,972.78 : x
  2. Step 2: Convert to fraction form
    8,816.66/13,227.68 = 2,972.78/x
  3. Step 3: Cross multiply
    8,816.66x = 13,227.68 × 2,972.78
  4. Step 4: Simplify right side
    8,816.66x = 39,322,923.84
  5. Step 5: Solve for x
    x = 39,322,923.84/8,816.66
  6. Step 6: Final answer
    x = 4,460.07

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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.