Home / 5,474.52-8,206.65-2,189.84

Finding the Fourth Proportional to 5,474.52, 8,206.65 and 2,189.84

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Solution

The fourth proportional to 5,474.52, 8,206.65 and 2,189.84 is: 3,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.52 : 8,206.65 = 2,189.84 : x
  2. Step 2: Convert to fraction form
    5,474.52/8,206.65 = 2,189.84/x
  3. Step 3: Cross multiply
    5,474.52x = 8,206.65 × 2,189.84
  4. Step 4: Simplify right side
    5,474.52x = 17,971,209.40
  5. Step 5: Solve for x
    x = 17,971,209.40/5,474.52
  6. Step 6: Final answer
    x = 3,282.70

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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.