Home / 5,147.00-7,721.79-2,375.61

Finding the Fourth Proportional to 5,147.00, 7,721.79 and 2,375.61

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Solution

The fourth proportional to 5,147.00, 7,721.79 and 2,375.61 is: 3,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.00 : 7,721.79 = 2,375.61 : x
  2. Step 2: Convert to fraction form
    5,147.00/7,721.79 = 2,375.61/x
  3. Step 3: Cross multiply
    5,147.00x = 7,721.79 × 2,375.61
  4. Step 4: Simplify right side
    5,147.00x = 18,343,973.79
  5. Step 5: Solve for x
    x = 18,343,973.79/5,147.00
  6. Step 6: Final answer
    x = 3,564.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.