Home / 8,920.92-13,382.22-3,077.64

Finding the Fourth Proportional to 8,920.92, 13,382.22 and 3,077.64

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Solution

The fourth proportional to 8,920.92, 13,382.22 and 3,077.64 is: 4,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.92 : 13,382.22 = 3,077.64 : x
  2. Step 2: Convert to fraction form
    8,920.92/13,382.22 = 3,077.64/x
  3. Step 3: Cross multiply
    8,920.92x = 13,382.22 × 3,077.64
  4. Step 4: Simplify right side
    8,920.92x = 41,185,655.56
  5. Step 5: Solve for x
    x = 41,185,655.56/8,920.92
  6. Step 6: Final answer
    x = 4,616.75

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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.