Home / 5,768.68-7,963.44-3,378.32

Finding the Fourth Proportional to 5,768.68, 7,963.44 and 3,378.32

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Solution

The fourth proportional to 5,768.68, 7,963.44 and 3,378.32 is: 4,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.68 : 7,963.44 = 3,378.32 : x
  2. Step 2: Convert to fraction form
    5,768.68/7,963.44 = 3,378.32/x
  3. Step 3: Cross multiply
    5,768.68x = 7,963.44 × 3,378.32
  4. Step 4: Simplify right side
    5,768.68x = 26,903,057.90
  5. Step 5: Solve for x
    x = 26,903,057.90/5,768.68
  6. Step 6: Final answer
    x = 4,663.64

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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.