Home / 8,226.34-12,339.78-2,961.75

Finding the Fourth Proportional to 8,226.34, 12,339.78 and 2,961.75

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Solution

The fourth proportional to 8,226.34, 12,339.78 and 2,961.75 is: 4,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.34 : 12,339.78 = 2,961.75 : x
  2. Step 2: Convert to fraction form
    8,226.34/12,339.78 = 2,961.75/x
  3. Step 3: Cross multiply
    8,226.34x = 12,339.78 × 2,961.75
  4. Step 4: Simplify right side
    8,226.34x = 36,547,343.42
  5. Step 5: Solve for x
    x = 36,547,343.42/8,226.34
  6. Step 6: Final answer
    x = 4,442.72

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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.