Home / 6,463.36-9,680.28-3,860.96

Finding the Fourth Proportional to 6,463.36, 9,680.28 and 3,860.96

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Solution

The fourth proportional to 6,463.36, 9,680.28 and 3,860.96 is: 5,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.36 : 9,680.28 = 3,860.96 : x
  2. Step 2: Convert to fraction form
    6,463.36/9,680.28 = 3,860.96/x
  3. Step 3: Cross multiply
    6,463.36x = 9,680.28 × 3,860.96
  4. Step 4: Simplify right side
    6,463.36x = 37,375,173.87
  5. Step 5: Solve for x
    x = 37,375,173.87/6,463.36
  6. Step 6: Final answer
    x = 5,782.62

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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.