Home / 8,077.08-12,114.72-2,530.20

Finding the Fourth Proportional to 8,077.08, 12,114.72 and 2,530.20

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Solution

The fourth proportional to 8,077.08, 12,114.72 and 2,530.20 is: 3,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.08 : 12,114.72 = 2,530.20 : x
  2. Step 2: Convert to fraction form
    8,077.08/12,114.72 = 2,530.20/x
  3. Step 3: Cross multiply
    8,077.08x = 12,114.72 × 2,530.20
  4. Step 4: Simplify right side
    8,077.08x = 30,652,664.54
  5. Step 5: Solve for x
    x = 30,652,664.54/8,077.08
  6. Step 6: Final answer
    x = 3,795.02

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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.