Home / 8,192.22-12,291.05-3,260.53

Finding the Fourth Proportional to 8,192.22, 12,291.05 and 3,260.53

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Solution

The fourth proportional to 8,192.22, 12,291.05 and 3,260.53 is: 4,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.22 : 12,291.05 = 3,260.53 : x
  2. Step 2: Convert to fraction form
    8,192.22/12,291.05 = 3,260.53/x
  3. Step 3: Cross multiply
    8,192.22x = 12,291.05 × 3,260.53
  4. Step 4: Simplify right side
    8,192.22x = 40,075,337.26
  5. Step 5: Solve for x
    x = 40,075,337.26/8,192.22
  6. Step 6: Final answer
    x = 4,891.88

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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.