Home / 7,505.80-11,257.68-1,959.58

Finding the Fourth Proportional to 7,505.80, 11,257.68 and 1,959.58

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Solution

The fourth proportional to 7,505.80, 11,257.68 and 1,959.58 is: 2,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.80 : 11,257.68 = 1,959.58 : x
  2. Step 2: Convert to fraction form
    7,505.80/11,257.68 = 1,959.58/x
  3. Step 3: Cross multiply
    7,505.80x = 11,257.68 × 1,959.58
  4. Step 4: Simplify right side
    7,505.80x = 22,060,324.57
  5. Step 5: Solve for x
    x = 22,060,324.57/7,505.80
  6. Step 6: Final answer
    x = 2,939.10

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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.