Home / 7,144.11-10,719.23-3,683.79

Finding the Fourth Proportional to 7,144.11, 10,719.23 and 3,683.79

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Solution

The fourth proportional to 7,144.11, 10,719.23 and 3,683.79 is: 5,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.11 : 10,719.23 = 3,683.79 : x
  2. Step 2: Convert to fraction form
    7,144.11/10,719.23 = 3,683.79/x
  3. Step 3: Cross multiply
    7,144.11x = 10,719.23 × 3,683.79
  4. Step 4: Simplify right side
    7,144.11x = 39,487,373.86
  5. Step 5: Solve for x
    x = 39,487,373.86/7,144.11
  6. Step 6: Final answer
    x = 5,527.26

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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.