Home / 5,461.11-8,191.68-2,174.19

Finding the Fourth Proportional to 5,461.11, 8,191.68 and 2,174.19

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Solution

The fourth proportional to 5,461.11, 8,191.68 and 2,174.19 is: 3,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.11 : 8,191.68 = 2,174.19 : x
  2. Step 2: Convert to fraction form
    5,461.11/8,191.68 = 2,174.19/x
  3. Step 3: Cross multiply
    5,461.11x = 8,191.68 × 2,174.19
  4. Step 4: Simplify right side
    5,461.11x = 17,810,268.74
  5. Step 5: Solve for x
    x = 17,810,268.74/5,461.11
  6. Step 6: Final answer
    x = 3,261.29

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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.