Home / 6,763.38-10,147.37-3,643.70

Finding the Fourth Proportional to 6,763.38, 10,147.37 and 3,643.70

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Solution

The fourth proportional to 6,763.38, 10,147.37 and 3,643.70 is: 5,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.38 : 10,147.37 = 3,643.70 : x
  2. Step 2: Convert to fraction form
    6,763.38/10,147.37 = 3,643.70/x
  3. Step 3: Cross multiply
    6,763.38x = 10,147.37 × 3,643.70
  4. Step 4: Simplify right side
    6,763.38x = 36,974,001.99
  5. Step 5: Solve for x
    x = 36,974,001.99/6,763.38
  6. Step 6: Final answer
    x = 5,466.80

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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.