Home / 5,079.80-7,623.54-2,160.14

Finding the Fourth Proportional to 5,079.80, 7,623.54 and 2,160.14

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Solution

The fourth proportional to 5,079.80, 7,623.54 and 2,160.14 is: 3,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.80 : 7,623.54 = 2,160.14 : x
  2. Step 2: Convert to fraction form
    5,079.80/7,623.54 = 2,160.14/x
  3. Step 3: Cross multiply
    5,079.80x = 7,623.54 × 2,160.14
  4. Step 4: Simplify right side
    5,079.80x = 16,467,913.70
  5. Step 5: Solve for x
    x = 16,467,913.70/5,079.80
  6. Step 6: Final answer
    x = 3,241.84

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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.