Home / 4,847.78-6,690.22-2,724

Finding the Fourth Proportional to 4,847.78, 6,690.22 and 2,724

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Solution

The fourth proportional to 4,847.78, 6,690.22 and 2,724 is: 3,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.78 : 6,690.22 = 2,724 : x
  2. Step 2: Convert to fraction form
    4,847.78/6,690.22 = 2,724/x
  3. Step 3: Cross multiply
    4,847.78x = 6,690.22 × 2,724
  4. Step 4: Simplify right side
    4,847.78x = 18,224,159.28
  5. Step 5: Solve for x
    x = 18,224,159.28/4,847.78
  6. Step 6: Final answer
    x = 3,759.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.