Home / 5,250.87-7,876.35-1,355.13

Finding the Fourth Proportional to 5,250.87, 7,876.35 and 1,355.13

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Solution

The fourth proportional to 5,250.87, 7,876.35 and 1,355.13 is: 2,032.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.87 : 7,876.35 = 1,355.13 : x
  2. Step 2: Convert to fraction form
    5,250.87/7,876.35 = 1,355.13/x
  3. Step 3: Cross multiply
    5,250.87x = 7,876.35 × 1,355.13
  4. Step 4: Simplify right side
    5,250.87x = 10,673,478.18
  5. Step 5: Solve for x
    x = 10,673,478.18/5,250.87
  6. Step 6: Final answer
    x = 2,032.71

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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.