Home / 5,438.41-8,151.40-2,313.84

Finding the Fourth Proportional to 5,438.41, 8,151.40 and 2,313.84

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Solution

The fourth proportional to 5,438.41, 8,151.40 and 2,313.84 is: 3,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.41 : 8,151.40 = 2,313.84 : x
  2. Step 2: Convert to fraction form
    5,438.41/8,151.40 = 2,313.84/x
  3. Step 3: Cross multiply
    5,438.41x = 8,151.40 × 2,313.84
  4. Step 4: Simplify right side
    5,438.41x = 18,861,035.38
  5. Step 5: Solve for x
    x = 18,861,035.38/5,438.41
  6. Step 6: Final answer
    x = 3,468.12

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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.