Home / 7,551.90-10,422.27-4,195.80

Finding the Fourth Proportional to 7,551.90, 10,422.27 and 4,195.80

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Solution

The fourth proportional to 7,551.90, 10,422.27 and 4,195.80 is: 5,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.90 : 10,422.27 = 4,195.80 : x
  2. Step 2: Convert to fraction form
    7,551.90/10,422.27 = 4,195.80/x
  3. Step 3: Cross multiply
    7,551.90x = 10,422.27 × 4,195.80
  4. Step 4: Simplify right side
    7,551.90x = 43,729,760.47
  5. Step 5: Solve for x
    x = 43,729,760.47/7,551.90
  6. Step 6: Final answer
    x = 5,790.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.