Home / 5,144.05-7,721.57-4,531.69

Finding the Fourth Proportional to 5,144.05, 7,721.57 and 4,531.69

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Solution

The fourth proportional to 5,144.05, 7,721.57 and 4,531.69 is: 6,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.05 : 7,721.57 = 4,531.69 : x
  2. Step 2: Convert to fraction form
    5,144.05/7,721.57 = 4,531.69/x
  3. Step 3: Cross multiply
    5,144.05x = 7,721.57 × 4,531.69
  4. Step 4: Simplify right side
    5,144.05x = 34,991,761.55
  5. Step 5: Solve for x
    x = 34,991,761.55/5,144.05
  6. Step 6: Final answer
    x = 6,802.38

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1.5x scale

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.