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Finding the Fourth Proportional to 5,459, 7,534.06 and 3,251

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Solution

The fourth proportional to 5,459, 7,534.06 and 3,251 is: 4,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459 : 7,534.06 = 3,251 : x
  2. Step 2: Convert to fraction form
    5,459/7,534.06 = 3,251/x
  3. Step 3: Cross multiply
    5,459x = 7,534.06 × 3,251
  4. Step 4: Simplify right side
    5,459x = 24,493,229.06
  5. Step 5: Solve for x
    x = 24,493,229.06/5,459
  6. Step 6: Final answer
    x = 4,486.76

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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.