Home / 7,486.15-11,236.13-3,790.97

Finding the Fourth Proportional to 7,486.15, 11,236.13 and 3,790.97

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Solution

The fourth proportional to 7,486.15, 11,236.13 and 3,790.97 is: 5,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.15 : 11,236.13 = 3,790.97 : x
  2. Step 2: Convert to fraction form
    7,486.15/11,236.13 = 3,790.97/x
  3. Step 3: Cross multiply
    7,486.15x = 11,236.13 × 3,790.97
  4. Step 4: Simplify right side
    7,486.15x = 42,595,785.04
  5. Step 5: Solve for x
    x = 42,595,785.04/7,486.15
  6. Step 6: Final answer
    x = 5,689.95

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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.