Home / 5,382.38-8,073.57-1,486.79

Finding the Fourth Proportional to 5,382.38, 8,073.57 and 1,486.79

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Solution

The fourth proportional to 5,382.38, 8,073.57 and 1,486.79 is: 2,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.38 : 8,073.57 = 1,486.79 : x
  2. Step 2: Convert to fraction form
    5,382.38/8,073.57 = 1,486.79/x
  3. Step 3: Cross multiply
    5,382.38x = 8,073.57 × 1,486.79
  4. Step 4: Simplify right side
    5,382.38x = 12,003,708.72
  5. Step 5: Solve for x
    x = 12,003,708.72/5,382.38
  6. Step 6: Final answer
    x = 2,230.18

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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.