Home / 8,318.28-11,474.19-4,958.85

Finding the Fourth Proportional to 8,318.28, 11,474.19 and 4,958.85

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Solution

The fourth proportional to 8,318.28, 11,474.19 and 4,958.85 is: 6,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.28 : 11,474.19 = 4,958.85 : x
  2. Step 2: Convert to fraction form
    8,318.28/11,474.19 = 4,958.85/x
  3. Step 3: Cross multiply
    8,318.28x = 11,474.19 × 4,958.85
  4. Step 4: Simplify right side
    8,318.28x = 56,898,787.08
  5. Step 5: Solve for x
    x = 56,898,787.08/8,318.28
  6. Step 6: Final answer
    x = 6,840.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.