Home / 4,847.44-6,688.44-2,857.26

Finding the Fourth Proportional to 4,847.44, 6,688.44 and 2,857.26

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Solution

The fourth proportional to 4,847.44, 6,688.44 and 2,857.26 is: 3,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.44 : 6,688.44 = 2,857.26 : x
  2. Step 2: Convert to fraction form
    4,847.44/6,688.44 = 2,857.26/x
  3. Step 3: Cross multiply
    4,847.44x = 6,688.44 × 2,857.26
  4. Step 4: Simplify right side
    4,847.44x = 19,110,612.07
  5. Step 5: Solve for x
    x = 19,110,612.07/4,847.44
  6. Step 6: Final answer
    x = 3,942.41

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1.5x scale

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.