Home / 5,473-8,209.50-2,187.56

Finding the Fourth Proportional to 5,473, 8,209.50 and 2,187.56

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Solution

The fourth proportional to 5,473, 8,209.50 and 2,187.56 is: 3,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473 : 8,209.50 = 2,187.56 : x
  2. Step 2: Convert to fraction form
    5,473/8,209.50 = 2,187.56/x
  3. Step 3: Cross multiply
    5,473x = 8,209.50 × 2,187.56
  4. Step 4: Simplify right side
    5,473x = 17,958,773.82
  5. Step 5: Solve for x
    x = 17,958,773.82/5,473
  6. Step 6: Final answer
    x = 3,281.34

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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.