Home / 4,721.29-7,081.93-2,531.05

Finding the Fourth Proportional to 4,721.29, 7,081.93 and 2,531.05

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Solution

The fourth proportional to 4,721.29, 7,081.93 and 2,531.05 is: 3,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.29 : 7,081.93 = 2,531.05 : x
  2. Step 2: Convert to fraction form
    4,721.29/7,081.93 = 2,531.05/x
  3. Step 3: Cross multiply
    4,721.29x = 7,081.93 × 2,531.05
  4. Step 4: Simplify right side
    4,721.29x = 17,924,704.39
  5. Step 5: Solve for x
    x = 17,924,704.39/4,721.29
  6. Step 6: Final answer
    x = 3,796.57

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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.