Home / 5,240.16-7,231.32-3,001.91

Finding the Fourth Proportional to 5,240.16, 7,231.32 and 3,001.91

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Solution

The fourth proportional to 5,240.16, 7,231.32 and 3,001.91 is: 4,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.16 : 7,231.32 = 3,001.91 : x
  2. Step 2: Convert to fraction form
    5,240.16/7,231.32 = 3,001.91/x
  3. Step 3: Cross multiply
    5,240.16x = 7,231.32 × 3,001.91
  4. Step 4: Simplify right side
    5,240.16x = 21,707,735.66
  5. Step 5: Solve for x
    x = 21,707,735.66/5,240.16
  6. Step 6: Final answer
    x = 4,142.57

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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.