Home / 8,921.29-13,382.15-2,998.26

Finding the Fourth Proportional to 8,921.29, 13,382.15 and 2,998.26

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Solution

The fourth proportional to 8,921.29, 13,382.15 and 2,998.26 is: 4,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.29 : 13,382.15 = 2,998.26 : x
  2. Step 2: Convert to fraction form
    8,921.29/13,382.15 = 2,998.26/x
  3. Step 3: Cross multiply
    8,921.29x = 13,382.15 × 2,998.26
  4. Step 4: Simplify right side
    8,921.29x = 40,123,124.98
  5. Step 5: Solve for x
    x = 40,123,124.98/8,921.29
  6. Step 6: Final answer
    x = 4,497.46

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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.