Home / 5,407.80-8,112.50-3,760.24

Finding the Fourth Proportional to 5,407.80, 8,112.50 and 3,760.24

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Solution

The fourth proportional to 5,407.80, 8,112.50 and 3,760.24 is: 5,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.80 : 8,112.50 = 3,760.24 : x
  2. Step 2: Convert to fraction form
    5,407.80/8,112.50 = 3,760.24/x
  3. Step 3: Cross multiply
    5,407.80x = 8,112.50 × 3,760.24
  4. Step 4: Simplify right side
    5,407.80x = 30,504,947
  5. Step 5: Solve for x
    x = 30,504,947/5,407.80
  6. Step 6: Final answer
    x = 5,640.92

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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.