Home / 5,338.86-8,008.38-2,218.83

Finding the Fourth Proportional to 5,338.86, 8,008.38 and 2,218.83

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Solution

The fourth proportional to 5,338.86, 8,008.38 and 2,218.83 is: 3,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.86 : 8,008.38 = 2,218.83 : x
  2. Step 2: Convert to fraction form
    5,338.86/8,008.38 = 2,218.83/x
  3. Step 3: Cross multiply
    5,338.86x = 8,008.38 × 2,218.83
  4. Step 4: Simplify right side
    5,338.86x = 17,769,233.80
  5. Step 5: Solve for x
    x = 17,769,233.80/5,338.86
  6. Step 6: Final answer
    x = 3,328.28

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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.