Home / 5,338.11-8,009.48-2,218.80

Finding the Fourth Proportional to 5,338.11, 8,009.48 and 2,218.80

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Solution

The fourth proportional to 5,338.11, 8,009.48 and 2,218.80 is: 3,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.11 : 8,009.48 = 2,218.80 : x
  2. Step 2: Convert to fraction form
    5,338.11/8,009.48 = 2,218.80/x
  3. Step 3: Cross multiply
    5,338.11x = 8,009.48 × 2,218.80
  4. Step 4: Simplify right side
    5,338.11x = 17,771,423.13
  5. Step 5: Solve for x
    x = 17,771,423.13/5,338.11
  6. Step 6: Final answer
    x = 3,329.16

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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.