Home / 8,247.79-12,367.08-2,699.66

Finding the Fourth Proportional to 8,247.79, 12,367.08 and 2,699.66

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Solution

The fourth proportional to 8,247.79, 12,367.08 and 2,699.66 is: 4,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.79 : 12,367.08 = 2,699.66 : x
  2. Step 2: Convert to fraction form
    8,247.79/12,367.08 = 2,699.66/x
  3. Step 3: Cross multiply
    8,247.79x = 12,367.08 × 2,699.66
  4. Step 4: Simplify right side
    8,247.79x = 33,386,942.11
  5. Step 5: Solve for x
    x = 33,386,942.11/8,247.79
  6. Step 6: Final answer
    x = 4,047.99

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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.