Home / 7,013.26-9,677.82-3,869.50

Finding the Fourth Proportional to 7,013.26, 9,677.82 and 3,869.50

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Solution

The fourth proportional to 7,013.26, 9,677.82 and 3,869.50 is: 5,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.26 : 9,677.82 = 3,869.50 : x
  2. Step 2: Convert to fraction form
    7,013.26/9,677.82 = 3,869.50/x
  3. Step 3: Cross multiply
    7,013.26x = 9,677.82 × 3,869.50
  4. Step 4: Simplify right side
    7,013.26x = 37,448,324.49
  5. Step 5: Solve for x
    x = 37,448,324.49/7,013.26
  6. Step 6: Final answer
    x = 5,339.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.