Home / 4,438.50-6,657.57-1,318.38

Finding the Fourth Proportional to 4,438.50, 6,657.57 and 1,318.38

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Solution

The fourth proportional to 4,438.50, 6,657.57 and 1,318.38 is: 1,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.50 : 6,657.57 = 1,318.38 : x
  2. Step 2: Convert to fraction form
    4,438.50/6,657.57 = 1,318.38/x
  3. Step 3: Cross multiply
    4,438.50x = 6,657.57 × 1,318.38
  4. Step 4: Simplify right side
    4,438.50x = 8,777,207.14
  5. Step 5: Solve for x
    x = 8,777,207.14/4,438.50
  6. Step 6: Final answer
    x = 1,977.52

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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.