Home / 5,476.44-8,215.10-2,187.73

Finding the Fourth Proportional to 5,476.44, 8,215.10 and 2,187.73

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Solution

The fourth proportional to 5,476.44, 8,215.10 and 2,187.73 is: 3,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.44 : 8,215.10 = 2,187.73 : x
  2. Step 2: Convert to fraction form
    5,476.44/8,215.10 = 2,187.73/x
  3. Step 3: Cross multiply
    5,476.44x = 8,215.10 × 2,187.73
  4. Step 4: Simplify right side
    5,476.44x = 17,972,420.72
  5. Step 5: Solve for x
    x = 17,972,420.72/5,476.44
  6. Step 6: Final answer
    x = 3,281.77

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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.