Home / 4,438.11-6,658.50-1,318.22

Finding the Fourth Proportional to 4,438.11, 6,658.50 and 1,318.22

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Solution

The fourth proportional to 4,438.11, 6,658.50 and 1,318.22 is: 1,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.11 : 6,658.50 = 1,318.22 : x
  2. Step 2: Convert to fraction form
    4,438.11/6,658.50 = 1,318.22/x
  3. Step 3: Cross multiply
    4,438.11x = 6,658.50 × 1,318.22
  4. Step 4: Simplify right side
    4,438.11x = 8,777,361.28
  5. Step 5: Solve for x
    x = 8,777,361.28/4,438.11
  6. Step 6: Final answer
    x = 1,977.73

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Double scale
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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.