Home / 5,440.26-7,507.13-3,081.81

Finding the Fourth Proportional to 5,440.26, 7,507.13 and 3,081.81

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Solution

The fourth proportional to 5,440.26, 7,507.13 and 3,081.81 is: 4,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.26 : 7,507.13 = 3,081.81 : x
  2. Step 2: Convert to fraction form
    5,440.26/7,507.13 = 3,081.81/x
  3. Step 3: Cross multiply
    5,440.26x = 7,507.13 × 3,081.81
  4. Step 4: Simplify right side
    5,440.26x = 23,135,521.83
  5. Step 5: Solve for x
    x = 23,135,521.83/5,440.26
  6. Step 6: Final answer
    x = 4,252.65

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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.