Home / 8,083.22-12,126.05-2,887.88

Finding the Fourth Proportional to 8,083.22, 12,126.05 and 2,887.88

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Solution

The fourth proportional to 8,083.22, 12,126.05 and 2,887.88 is: 4,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.22 : 12,126.05 = 2,887.88 : x
  2. Step 2: Convert to fraction form
    8,083.22/12,126.05 = 2,887.88/x
  3. Step 3: Cross multiply
    8,083.22x = 12,126.05 × 2,887.88
  4. Step 4: Simplify right side
    8,083.22x = 35,018,502.20
  5. Step 5: Solve for x
    x = 35,018,502.20/8,083.22
  6. Step 6: Final answer
    x = 4,332.25

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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.