Home / 8,272.18-11,427.23-7,524.82

Finding the Fourth Proportional to 8,272.18, 11,427.23 and 7,524.82

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Solution

The fourth proportional to 8,272.18, 11,427.23 and 7,524.82 is: 10,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.18 : 11,427.23 = 7,524.82 : x
  2. Step 2: Convert to fraction form
    8,272.18/11,427.23 = 7,524.82/x
  3. Step 3: Cross multiply
    8,272.18x = 11,427.23 × 7,524.82
  4. Step 4: Simplify right side
    8,272.18x = 85,987,848.85
  5. Step 5: Solve for x
    x = 85,987,848.85/8,272.18
  6. Step 6: Final answer
    x = 10,394.82

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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.