Home / 7,144.18-10,719.51-3,683.86

Finding the Fourth Proportional to 7,144.18, 10,719.51 and 3,683.86

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Solution

The fourth proportional to 7,144.18, 10,719.51 and 3,683.86 is: 5,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.18 : 10,719.51 = 3,683.86 : x
  2. Step 2: Convert to fraction form
    7,144.18/10,719.51 = 3,683.86/x
  3. Step 3: Cross multiply
    7,144.18x = 10,719.51 × 3,683.86
  4. Step 4: Simplify right side
    7,144.18x = 39,489,174.11
  5. Step 5: Solve for x
    x = 39,489,174.11/7,144.18
  6. Step 6: Final answer
    x = 5,527.46

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1.5x scale

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.