Home / 7,801.14-11,695.22-5,454.43

Finding the Fourth Proportional to 7,801.14, 11,695.22 and 5,454.43

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Solution

The fourth proportional to 7,801.14, 11,695.22 and 5,454.43 is: 8,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.14 : 11,695.22 = 5,454.43 : x
  2. Step 2: Convert to fraction form
    7,801.14/11,695.22 = 5,454.43/x
  3. Step 3: Cross multiply
    7,801.14x = 11,695.22 × 5,454.43
  4. Step 4: Simplify right side
    7,801.14x = 63,790,758.82
  5. Step 5: Solve for x
    x = 63,790,758.82/7,801.14
  6. Step 6: Final answer
    x = 8,177.11

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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.