Home / 7,761.24-11,642.55-2,214.48

Finding the Fourth Proportional to 7,761.24, 11,642.55 and 2,214.48

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Solution

The fourth proportional to 7,761.24, 11,642.55 and 2,214.48 is: 3,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.24 : 11,642.55 = 2,214.48 : x
  2. Step 2: Convert to fraction form
    7,761.24/11,642.55 = 2,214.48/x
  3. Step 3: Cross multiply
    7,761.24x = 11,642.55 × 2,214.48
  4. Step 4: Simplify right side
    7,761.24x = 25,782,194.12
  5. Step 5: Solve for x
    x = 25,782,194.12/7,761.24
  6. Step 6: Final answer
    x = 3,321.92

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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.