Home / 7,382.68-11,072.12-2,187.34

Finding the Fourth Proportional to 7,382.68, 11,072.12 and 2,187.34

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Solution

The fourth proportional to 7,382.68, 11,072.12 and 2,187.34 is: 3,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.68 : 11,072.12 = 2,187.34 : x
  2. Step 2: Convert to fraction form
    7,382.68/11,072.12 = 2,187.34/x
  3. Step 3: Cross multiply
    7,382.68x = 11,072.12 × 2,187.34
  4. Step 4: Simplify right side
    7,382.68x = 24,218,490.96
  5. Step 5: Solve for x
    x = 24,218,490.96/7,382.68
  6. Step 6: Final answer
    x = 3,280.45

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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.