Home / 5,217.03-7,811.66-4,079.94

Finding the Fourth Proportional to 5,217.03, 7,811.66 and 4,079.94

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Solution

The fourth proportional to 5,217.03, 7,811.66 and 4,079.94 is: 6,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.03 : 7,811.66 = 4,079.94 : x
  2. Step 2: Convert to fraction form
    5,217.03/7,811.66 = 4,079.94/x
  3. Step 3: Cross multiply
    5,217.03x = 7,811.66 × 4,079.94
  4. Step 4: Simplify right side
    5,217.03x = 31,871,083.70
  5. Step 5: Solve for x
    x = 31,871,083.70/5,217.03
  6. Step 6: Final answer
    x = 6,109.05

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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.