Home / 5,032.20-7,545.86-2,109.72

Finding the Fourth Proportional to 5,032.20, 7,545.86 and 2,109.72

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Solution

The fourth proportional to 5,032.20, 7,545.86 and 2,109.72 is: 3,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032.20 : 7,545.86 = 2,109.72 : x
  2. Step 2: Convert to fraction form
    5,032.20/7,545.86 = 2,109.72/x
  3. Step 3: Cross multiply
    5,032.20x = 7,545.86 × 2,109.72
  4. Step 4: Simplify right side
    5,032.20x = 15,919,651.76
  5. Step 5: Solve for x
    x = 15,919,651.76/5,032.20
  6. Step 6: Final answer
    x = 3,163.56

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1.5x scale

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.