Home / 5,431.34-8,150.90-2,313.53

Finding the Fourth Proportional to 5,431.34, 8,150.90 and 2,313.53

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Solution

The fourth proportional to 5,431.34, 8,150.90 and 2,313.53 is: 3,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.34 : 8,150.90 = 2,313.53 : x
  2. Step 2: Convert to fraction form
    5,431.34/8,150.90 = 2,313.53/x
  3. Step 3: Cross multiply
    5,431.34x = 8,150.90 × 2,313.53
  4. Step 4: Simplify right side
    5,431.34x = 18,857,299.35
  5. Step 5: Solve for x
    x = 18,857,299.35/5,431.34
  6. Step 6: Final answer
    x = 3,471.95

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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.