Home / 5,320.52-7,979.16-2,545.73

Finding the Fourth Proportional to 5,320.52, 7,979.16 and 2,545.73

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Solution

The fourth proportional to 5,320.52, 7,979.16 and 2,545.73 is: 3,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.52 : 7,979.16 = 2,545.73 : x
  2. Step 2: Convert to fraction form
    5,320.52/7,979.16 = 2,545.73/x
  3. Step 3: Cross multiply
    5,320.52x = 7,979.16 × 2,545.73
  4. Step 4: Simplify right side
    5,320.52x = 20,312,786.99
  5. Step 5: Solve for x
    x = 20,312,786.99/5,320.52
  6. Step 6: Final answer
    x = 3,817.82

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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.