Home / 4,790.46-7,186.19-1,327.71

Finding the Fourth Proportional to 4,790.46, 7,186.19 and 1,327.71

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Solution

The fourth proportional to 4,790.46, 7,186.19 and 1,327.71 is: 1,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.46 : 7,186.19 = 1,327.71 : x
  2. Step 2: Convert to fraction form
    4,790.46/7,186.19 = 1,327.71/x
  3. Step 3: Cross multiply
    4,790.46x = 7,186.19 × 1,327.71
  4. Step 4: Simplify right side
    4,790.46x = 9,541,176.32
  5. Step 5: Solve for x
    x = 9,541,176.32/4,790.46
  6. Step 6: Final answer
    x = 1,991.70

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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.