Home / 5,079.46-7,619.19-1,616.71

Finding the Fourth Proportional to 5,079.46, 7,619.19 and 1,616.71

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Solution

The fourth proportional to 5,079.46, 7,619.19 and 1,616.71 is: 2,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.46 : 7,619.19 = 1,616.71 : x
  2. Step 2: Convert to fraction form
    5,079.46/7,619.19 = 1,616.71/x
  3. Step 3: Cross multiply
    5,079.46x = 7,619.19 × 1,616.71
  4. Step 4: Simplify right side
    5,079.46x = 12,318,020.66
  5. Step 5: Solve for x
    x = 12,318,020.66/5,079.46
  6. Step 6: Final answer
    x = 2,425.07

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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.