Home / 7,555.12-11,324.40-3,175.36

Finding the Fourth Proportional to 7,555.12, 11,324.40 and 3,175.36

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Solution

The fourth proportional to 7,555.12, 11,324.40 and 3,175.36 is: 4,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.12 : 11,324.40 = 3,175.36 : x
  2. Step 2: Convert to fraction form
    7,555.12/11,324.40 = 3,175.36/x
  3. Step 3: Cross multiply
    7,555.12x = 11,324.40 × 3,175.36
  4. Step 4: Simplify right side
    7,555.12x = 35,959,046.78
  5. Step 5: Solve for x
    x = 35,959,046.78/7,555.12
  6. Step 6: Final answer
    x = 4,759.56

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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.