Home / 8,081.08-12,121.77-2,534.30

Finding the Fourth Proportional to 8,081.08, 12,121.77 and 2,534.30

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Solution

The fourth proportional to 8,081.08, 12,121.77 and 2,534.30 is: 3,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.08 : 12,121.77 = 2,534.30 : x
  2. Step 2: Convert to fraction form
    8,081.08/12,121.77 = 2,534.30/x
  3. Step 3: Cross multiply
    8,081.08x = 12,121.77 × 2,534.30
  4. Step 4: Simplify right side
    8,081.08x = 30,720,201.71
  5. Step 5: Solve for x
    x = 30,720,201.71/8,081.08
  6. Step 6: Final answer
    x = 3,801.50

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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.