Home / 6,719.50-10,079.52-2,102.50

Finding the Fourth Proportional to 6,719.50, 10,079.52 and 2,102.50

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Solution

The fourth proportional to 6,719.50, 10,079.52 and 2,102.50 is: 3,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.50 : 10,079.52 = 2,102.50 : x
  2. Step 2: Convert to fraction form
    6,719.50/10,079.52 = 2,102.50/x
  3. Step 3: Cross multiply
    6,719.50x = 10,079.52 × 2,102.50
  4. Step 4: Simplify right side
    6,719.50x = 21,192,190.80
  5. Step 5: Solve for x
    x = 21,192,190.80/6,719.50
  6. Step 6: Final answer
    x = 3,153.83

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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.