Home / 5,218.05-7,818.27-2,582.04

Finding the Fourth Proportional to 5,218.05, 7,818.27 and 2,582.04

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Solution

The fourth proportional to 5,218.05, 7,818.27 and 2,582.04 is: 3,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.05 : 7,818.27 = 2,582.04 : x
  2. Step 2: Convert to fraction form
    5,218.05/7,818.27 = 2,582.04/x
  3. Step 3: Cross multiply
    5,218.05x = 7,818.27 × 2,582.04
  4. Step 4: Simplify right side
    5,218.05x = 20,187,085.87
  5. Step 5: Solve for x
    x = 20,187,085.87/5,218.05
  6. Step 6: Final answer
    x = 3,868.70

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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.