Home / 5,473.56-8,211.54-2,188.20

Finding the Fourth Proportional to 5,473.56, 8,211.54 and 2,188.20

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Solution

The fourth proportional to 5,473.56, 8,211.54 and 2,188.20 is: 3,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.56 : 8,211.54 = 2,188.20 : x
  2. Step 2: Convert to fraction form
    5,473.56/8,211.54 = 2,188.20/x
  3. Step 3: Cross multiply
    5,473.56x = 8,211.54 × 2,188.20
  4. Step 4: Simplify right side
    5,473.56x = 17,968,491.83
  5. Step 5: Solve for x
    x = 17,968,491.83/5,473.56
  6. Step 6: Final answer
    x = 3,282.78

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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.