Home / 7,645.32-11,472.36-4,135.38

Finding the Fourth Proportional to 7,645.32, 11,472.36 and 4,135.38

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Solution

The fourth proportional to 7,645.32, 11,472.36 and 4,135.38 is: 6,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.32 : 11,472.36 = 4,135.38 : x
  2. Step 2: Convert to fraction form
    7,645.32/11,472.36 = 4,135.38/x
  3. Step 3: Cross multiply
    7,645.32x = 11,472.36 × 4,135.38
  4. Step 4: Simplify right side
    7,645.32x = 47,442,568.10
  5. Step 5: Solve for x
    x = 47,442,568.10/7,645.32
  6. Step 6: Final answer
    x = 6,205.44

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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.