Home / 7,029.72-10,545.30-2,650.86

Finding the Fourth Proportional to 7,029.72, 10,545.30 and 2,650.86

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Solution

The fourth proportional to 7,029.72, 10,545.30 and 2,650.86 is: 3,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.72 : 10,545.30 = 2,650.86 : x
  2. Step 2: Convert to fraction form
    7,029.72/10,545.30 = 2,650.86/x
  3. Step 3: Cross multiply
    7,029.72x = 10,545.30 × 2,650.86
  4. Step 4: Simplify right side
    7,029.72x = 27,954,113.96
  5. Step 5: Solve for x
    x = 27,954,113.96/7,029.72
  6. Step 6: Final answer
    x = 3,976.56

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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.