Home / 5,239.89-7,231.32-3,001.23

Finding the Fourth Proportional to 5,239.89, 7,231.32 and 3,001.23

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Solution

The fourth proportional to 5,239.89, 7,231.32 and 3,001.23 is: 4,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.89 : 7,231.32 = 3,001.23 : x
  2. Step 2: Convert to fraction form
    5,239.89/7,231.32 = 3,001.23/x
  3. Step 3: Cross multiply
    5,239.89x = 7,231.32 × 3,001.23
  4. Step 4: Simplify right side
    5,239.89x = 21,702,854.52
  5. Step 5: Solve for x
    x = 21,702,854.52/5,239.89
  6. Step 6: Final answer
    x = 4,141.85

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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.