Home / 5,473.08-8,211.42-2,185.29

Finding the Fourth Proportional to 5,473.08, 8,211.42 and 2,185.29

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Solution

The fourth proportional to 5,473.08, 8,211.42 and 2,185.29 is: 3,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.08 : 8,211.42 = 2,185.29 : x
  2. Step 2: Convert to fraction form
    5,473.08/8,211.42 = 2,185.29/x
  3. Step 3: Cross multiply
    5,473.08x = 8,211.42 × 2,185.29
  4. Step 4: Simplify right side
    5,473.08x = 17,944,334.01
  5. Step 5: Solve for x
    x = 17,944,334.01/5,473.08
  6. Step 6: Final answer
    x = 3,278.65

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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.