Home / 8,856.12-13,274.82-3,313.56

Finding the Fourth Proportional to 8,856.12, 13,274.82 and 3,313.56

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Solution

The fourth proportional to 8,856.12, 13,274.82 and 3,313.56 is: 4,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.12 : 13,274.82 = 3,313.56 : x
  2. Step 2: Convert to fraction form
    8,856.12/13,274.82 = 3,313.56/x
  3. Step 3: Cross multiply
    8,856.12x = 13,274.82 × 3,313.56
  4. Step 4: Simplify right side
    8,856.12x = 43,986,912.56
  5. Step 5: Solve for x
    x = 43,986,912.56/8,856.12
  6. Step 6: Final answer
    x = 4,966.84

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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.