Home / 5,239.72-7,230.80-3,001.56

Finding the Fourth Proportional to 5,239.72, 7,230.80 and 3,001.56

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Solution

The fourth proportional to 5,239.72, 7,230.80 and 3,001.56 is: 4,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.72 : 7,230.80 = 3,001.56 : x
  2. Step 2: Convert to fraction form
    5,239.72/7,230.80 = 3,001.56/x
  3. Step 3: Cross multiply
    5,239.72x = 7,230.80 × 3,001.56
  4. Step 4: Simplify right side
    5,239.72x = 21,703,680.05
  5. Step 5: Solve for x
    x = 21,703,680.05/5,239.72
  6. Step 6: Final answer
    x = 4,142.15

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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.