Home / 8,338.08-12,555.69-6,162

Finding the Fourth Proportional to 8,338.08, 12,555.69 and 6,162

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Solution

The fourth proportional to 8,338.08, 12,555.69 and 6,162 is: 9,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.08 : 12,555.69 = 6,162 : x
  2. Step 2: Convert to fraction form
    8,338.08/12,555.69 = 6,162/x
  3. Step 3: Cross multiply
    8,338.08x = 12,555.69 × 6,162
  4. Step 4: Simplify right side
    8,338.08x = 77,368,161.78
  5. Step 5: Solve for x
    x = 77,368,161.78/8,338.08
  6. Step 6: Final answer
    x = 9,278.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.