Home / 8,298.22-12,449.64-3,618.64

Finding the Fourth Proportional to 8,298.22, 12,449.64 and 3,618.64

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Solution

The fourth proportional to 8,298.22, 12,449.64 and 3,618.64 is: 5,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.22 : 12,449.64 = 3,618.64 : x
  2. Step 2: Convert to fraction form
    8,298.22/12,449.64 = 3,618.64/x
  3. Step 3: Cross multiply
    8,298.22x = 12,449.64 × 3,618.64
  4. Step 4: Simplify right side
    8,298.22x = 45,050,767.30
  5. Step 5: Solve for x
    x = 45,050,767.30/8,298.22
  6. Step 6: Final answer
    x = 5,428.97

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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.