Home / 8,052.56-12,077.76-2,208.72

Finding the Fourth Proportional to 8,052.56, 12,077.76 and 2,208.72

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Solution

The fourth proportional to 8,052.56, 12,077.76 and 2,208.72 is: 3,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.56 : 12,077.76 = 2,208.72 : x
  2. Step 2: Convert to fraction form
    8,052.56/12,077.76 = 2,208.72/x
  3. Step 3: Cross multiply
    8,052.56x = 12,077.76 × 2,208.72
  4. Step 4: Simplify right side
    8,052.56x = 26,676,390.07
  5. Step 5: Solve for x
    x = 26,676,390.07/8,052.56
  6. Step 6: Final answer
    x = 3,312.78

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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.