Home / 8,227.38-11,352.15-4,642.39

Finding the Fourth Proportional to 8,227.38, 11,352.15 and 4,642.39

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Solution

The fourth proportional to 8,227.38, 11,352.15 and 4,642.39 is: 6,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.38 : 11,352.15 = 4,642.39 : x
  2. Step 2: Convert to fraction form
    8,227.38/11,352.15 = 4,642.39/x
  3. Step 3: Cross multiply
    8,227.38x = 11,352.15 × 4,642.39
  4. Step 4: Simplify right side
    8,227.38x = 52,701,107.64
  5. Step 5: Solve for x
    x = 52,701,107.64/8,227.38
  6. Step 6: Final answer
    x = 6,405.58

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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.