Home / 5,439.54-7,507.04-3,081.53

Finding the Fourth Proportional to 5,439.54, 7,507.04 and 3,081.53

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Solution

The fourth proportional to 5,439.54, 7,507.04 and 3,081.53 is: 4,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.54 : 7,507.04 = 3,081.53 : x
  2. Step 2: Convert to fraction form
    5,439.54/7,507.04 = 3,081.53/x
  3. Step 3: Cross multiply
    5,439.54x = 7,507.04 × 3,081.53
  4. Step 4: Simplify right side
    5,439.54x = 23,133,168.97
  5. Step 5: Solve for x
    x = 23,133,168.97/5,439.54
  6. Step 6: Final answer
    x = 4,252.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.