Home / 5,250.78-7,876.33-1,355.19

Finding the Fourth Proportional to 5,250.78, 7,876.33 and 1,355.19

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Solution

The fourth proportional to 5,250.78, 7,876.33 and 1,355.19 is: 2,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.78 : 7,876.33 = 1,355.19 : x
  2. Step 2: Convert to fraction form
    5,250.78/7,876.33 = 1,355.19/x
  3. Step 3: Cross multiply
    5,250.78x = 7,876.33 × 1,355.19
  4. Step 4: Simplify right side
    5,250.78x = 10,673,923.65
  5. Step 5: Solve for x
    x = 10,673,923.65/5,250.78
  6. Step 6: Final answer
    x = 2,032.83

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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.