Home / 8,923.96-13,382.70-3,079.12

Finding the Fourth Proportional to 8,923.96, 13,382.70 and 3,079.12

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Solution

The fourth proportional to 8,923.96, 13,382.70 and 3,079.12 is: 4,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.96 : 13,382.70 = 3,079.12 : x
  2. Step 2: Convert to fraction form
    8,923.96/13,382.70 = 3,079.12/x
  3. Step 3: Cross multiply
    8,923.96x = 13,382.70 × 3,079.12
  4. Step 4: Simplify right side
    8,923.96x = 41,206,939.22
  5. Step 5: Solve for x
    x = 41,206,939.22/8,923.96
  6. Step 6: Final answer
    x = 4,617.56

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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.