Home / 5,436-7,503.08-3,312.97

Finding the Fourth Proportional to 5,436, 7,503.08 and 3,312.97

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Solution

The fourth proportional to 5,436, 7,503.08 and 3,312.97 is: 4,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436 : 7,503.08 = 3,312.97 : x
  2. Step 2: Convert to fraction form
    5,436/7,503.08 = 3,312.97/x
  3. Step 3: Cross multiply
    5,436x = 7,503.08 × 3,312.97
  4. Step 4: Simplify right side
    5,436x = 24,857,443.63
  5. Step 5: Solve for x
    x = 24,857,443.63/5,436
  6. Step 6: Final answer
    x = 4,572.75

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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.