Home / 5,456.12-8,184.20-2,169

Finding the Fourth Proportional to 5,456.12, 8,184.20 and 2,169

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Solution

The fourth proportional to 5,456.12, 8,184.20 and 2,169 is: 3,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.12 : 8,184.20 = 2,169 : x
  2. Step 2: Convert to fraction form
    5,456.12/8,184.20 = 2,169/x
  3. Step 3: Cross multiply
    5,456.12x = 8,184.20 × 2,169
  4. Step 4: Simplify right side
    5,456.12x = 17,751,529.80
  5. Step 5: Solve for x
    x = 17,751,529.80/5,456.12
  6. Step 6: Final answer
    x = 3,253.51

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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.