Home / 8,215.22-12,314.00-4,262.52

Finding the Fourth Proportional to 8,215.22, 12,314.00 and 4,262.52

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Solution

The fourth proportional to 8,215.22, 12,314.00 and 4,262.52 is: 6,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.22 : 12,314.00 = 4,262.52 : x
  2. Step 2: Convert to fraction form
    8,215.22/12,314.00 = 4,262.52/x
  3. Step 3: Cross multiply
    8,215.22x = 12,314.00 × 4,262.52
  4. Step 4: Simplify right side
    8,215.22x = 52,488,649.97
  5. Step 5: Solve for x
    x = 52,488,649.97/8,215.22
  6. Step 6: Final answer
    x = 6,389.20

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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.