Home / 6,890.48-10,329.10-2,207.92

Finding the Fourth Proportional to 6,890.48, 10,329.10 and 2,207.92

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Solution

The fourth proportional to 6,890.48, 10,329.10 and 2,207.92 is: 3,309.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.48 : 10,329.10 = 2,207.92 : x
  2. Step 2: Convert to fraction form
    6,890.48/10,329.10 = 2,207.92/x
  3. Step 3: Cross multiply
    6,890.48x = 10,329.10 × 2,207.92
  4. Step 4: Simplify right side
    6,890.48x = 22,805,826.47
  5. Step 5: Solve for x
    x = 22,805,826.47/6,890.48
  6. Step 6: Final answer
    x = 3,309.76

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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.