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Finding the Fourth Proportional to 8,304.66, 12,459.09 and 2,759.55

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Solution

The fourth proportional to 8,304.66, 12,459.09 and 2,759.55 is: 4,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.66 : 12,459.09 = 2,759.55 : x
  2. Step 2: Convert to fraction form
    8,304.66/12,459.09 = 2,759.55/x
  3. Step 3: Cross multiply
    8,304.66x = 12,459.09 × 2,759.55
  4. Step 4: Simplify right side
    8,304.66x = 34,381,481.81
  5. Step 5: Solve for x
    x = 34,381,481.81/8,304.66
  6. Step 6: Final answer
    x = 4,140.02

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1.5x scale

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.