Home / 8,077.06-12,115.25-2,530.28

Finding the Fourth Proportional to 8,077.06, 12,115.25 and 2,530.28

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Solution

The fourth proportional to 8,077.06, 12,115.25 and 2,530.28 is: 3,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.06 : 12,115.25 = 2,530.28 : x
  2. Step 2: Convert to fraction form
    8,077.06/12,115.25 = 2,530.28/x
  3. Step 3: Cross multiply
    8,077.06x = 12,115.25 × 2,530.28
  4. Step 4: Simplify right side
    8,077.06x = 30,655,001.90
  5. Step 5: Solve for x
    x = 30,655,001.90/8,077.06
  6. Step 6: Final answer
    x = 3,795.32

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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.