Home / 5,438.28-8,154.14-2,969.67

Finding the Fourth Proportional to 5,438.28, 8,154.14 and 2,969.67

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Solution

The fourth proportional to 5,438.28, 8,154.14 and 2,969.67 is: 4,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.28 : 8,154.14 = 2,969.67 : x
  2. Step 2: Convert to fraction form
    5,438.28/8,154.14 = 2,969.67/x
  3. Step 3: Cross multiply
    5,438.28x = 8,154.14 × 2,969.67
  4. Step 4: Simplify right side
    5,438.28x = 24,215,104.93
  5. Step 5: Solve for x
    x = 24,215,104.93/5,438.28
  6. Step 6: Final answer
    x = 4,452.71

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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.