Home / 6,480.32-9,723.82-2,781.58

Finding the Fourth Proportional to 6,480.32, 9,723.82 and 2,781.58

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Solution

The fourth proportional to 6,480.32, 9,723.82 and 2,781.58 is: 4,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.32 : 9,723.82 = 2,781.58 : x
  2. Step 2: Convert to fraction form
    6,480.32/9,723.82 = 2,781.58/x
  3. Step 3: Cross multiply
    6,480.32x = 9,723.82 × 2,781.58
  4. Step 4: Simplify right side
    6,480.32x = 27,047,583.24
  5. Step 5: Solve for x
    x = 27,047,583.24/6,480.32
  6. Step 6: Final answer
    x = 4,173.80

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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.