Home / 5,436-7,502.32-3,228

Finding the Fourth Proportional to 5,436, 7,502.32 and 3,228

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Solution

The fourth proportional to 5,436, 7,502.32 and 3,228 is: 4,455.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436 : 7,502.32 = 3,228 : x
  2. Step 2: Convert to fraction form
    5,436/7,502.32 = 3,228/x
  3. Step 3: Cross multiply
    5,436x = 7,502.32 × 3,228
  4. Step 4: Simplify right side
    5,436x = 24,217,488.96
  5. Step 5: Solve for x
    x = 24,217,488.96/5,436
  6. Step 6: Final answer
    x = 4,455.02

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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.