Home / 5,456.12-8,182.94-2,169.94

Finding the Fourth Proportional to 5,456.12, 8,182.94 and 2,169.94

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Solution

The fourth proportional to 5,456.12, 8,182.94 and 2,169.94 is: 3,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.12 : 8,182.94 = 2,169.94 : x
  2. Step 2: Convert to fraction form
    5,456.12/8,182.94 = 2,169.94/x
  3. Step 3: Cross multiply
    5,456.12x = 8,182.94 × 2,169.94
  4. Step 4: Simplify right side
    5,456.12x = 17,756,488.82
  5. Step 5: Solve for x
    x = 17,756,488.82/5,456.12
  6. Step 6: Final answer
    x = 3,254.42

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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.