Home / 4,918.87-7,371.10-2,839.51

Finding the Fourth Proportional to 4,918.87, 7,371.10 and 2,839.51

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Solution

The fourth proportional to 4,918.87, 7,371.10 and 2,839.51 is: 4,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.87 : 7,371.10 = 2,839.51 : x
  2. Step 2: Convert to fraction form
    4,918.87/7,371.10 = 2,839.51/x
  3. Step 3: Cross multiply
    4,918.87x = 7,371.10 × 2,839.51
  4. Step 4: Simplify right side
    4,918.87x = 20,930,312.16
  5. Step 5: Solve for x
    x = 20,930,312.16/4,918.87
  6. Step 6: Final answer
    x = 4,255.11

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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.