Home / 7,672.48-11,499.10-3,284.78

Finding the Fourth Proportional to 7,672.48, 11,499.10 and 3,284.78

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Solution

The fourth proportional to 7,672.48, 11,499.10 and 3,284.78 is: 4,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.48 : 11,499.10 = 3,284.78 : x
  2. Step 2: Convert to fraction form
    7,672.48/11,499.10 = 3,284.78/x
  3. Step 3: Cross multiply
    7,672.48x = 11,499.10 × 3,284.78
  4. Step 4: Simplify right side
    7,672.48x = 37,772,013.70
  5. Step 5: Solve for x
    x = 37,772,013.70/7,672.48
  6. Step 6: Final answer
    x = 4,923.05

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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.