Home / 8,281.11-12,421.35-3,350.79

Finding the Fourth Proportional to 8,281.11, 12,421.35 and 3,350.79

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Solution

The fourth proportional to 8,281.11, 12,421.35 and 3,350.79 is: 5,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.11 : 12,421.35 = 3,350.79 : x
  2. Step 2: Convert to fraction form
    8,281.11/12,421.35 = 3,350.79/x
  3. Step 3: Cross multiply
    8,281.11x = 12,421.35 × 3,350.79
  4. Step 4: Simplify right side
    8,281.11x = 41,621,335.37
  5. Step 5: Solve for x
    x = 41,621,335.37/8,281.11
  6. Step 6: Final answer
    x = 5,026.06

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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.