Home / 5,513.88-8,270.78-2,226.93

Finding the Fourth Proportional to 5,513.88, 8,270.78 and 2,226.93

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Solution

The fourth proportional to 5,513.88, 8,270.78 and 2,226.93 is: 3,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.88 : 8,270.78 = 2,226.93 : x
  2. Step 2: Convert to fraction form
    5,513.88/8,270.78 = 2,226.93/x
  3. Step 3: Cross multiply
    5,513.88x = 8,270.78 × 2,226.93
  4. Step 4: Simplify right side
    5,513.88x = 18,418,448.11
  5. Step 5: Solve for x
    x = 18,418,448.11/5,513.88
  6. Step 6: Final answer
    x = 3,340.38

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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.