Home / 5,151.14-7,720.74-2,371.98

Finding the Fourth Proportional to 5,151.14, 7,720.74 and 2,371.98

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Solution

The fourth proportional to 5,151.14, 7,720.74 and 2,371.98 is: 3,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.14 : 7,720.74 = 2,371.98 : x
  2. Step 2: Convert to fraction form
    5,151.14/7,720.74 = 2,371.98/x
  3. Step 3: Cross multiply
    5,151.14x = 7,720.74 × 2,371.98
  4. Step 4: Simplify right side
    5,151.14x = 18,313,440.87
  5. Step 5: Solve for x
    x = 18,313,440.87/5,151.14
  6. Step 6: Final answer
    x = 3,555.22

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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.