Home / 5,154.50-7,721.42-2,377.36

Finding the Fourth Proportional to 5,154.50, 7,721.42 and 2,377.36

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Solution

The fourth proportional to 5,154.50, 7,721.42 and 2,377.36 is: 3,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.50 : 7,721.42 = 2,377.36 : x
  2. Step 2: Convert to fraction form
    5,154.50/7,721.42 = 2,377.36/x
  3. Step 3: Cross multiply
    5,154.50x = 7,721.42 × 2,377.36
  4. Step 4: Simplify right side
    5,154.50x = 18,356,595.05
  5. Step 5: Solve for x
    x = 18,356,595.05/5,154.50
  6. Step 6: Final answer
    x = 3,561.28

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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.