Home / 6,340.38-9,505.44-2,645.40

Finding the Fourth Proportional to 6,340.38, 9,505.44 and 2,645.40

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Solution

The fourth proportional to 6,340.38, 9,505.44 and 2,645.40 is: 3,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.38 : 9,505.44 = 2,645.40 : x
  2. Step 2: Convert to fraction form
    6,340.38/9,505.44 = 2,645.40/x
  3. Step 3: Cross multiply
    6,340.38x = 9,505.44 × 2,645.40
  4. Step 4: Simplify right side
    6,340.38x = 25,145,690.98
  5. Step 5: Solve for x
    x = 25,145,690.98/6,340.38
  6. Step 6: Final answer
    x = 3,965.96

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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.