Home / 4,740.32-7,102.28-3,821.78

Finding the Fourth Proportional to 4,740.32, 7,102.28 and 3,821.78

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Solution

The fourth proportional to 4,740.32, 7,102.28 and 3,821.78 is: 5,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.32 : 7,102.28 = 3,821.78 : x
  2. Step 2: Convert to fraction form
    4,740.32/7,102.28 = 3,821.78/x
  3. Step 3: Cross multiply
    4,740.32x = 7,102.28 × 3,821.78
  4. Step 4: Simplify right side
    4,740.32x = 27,143,378.97
  5. Step 5: Solve for x
    x = 27,143,378.97/4,740.32
  6. Step 6: Final answer
    x = 5,726.06

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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.