Home / 5,380.32-7,424.94-3,022.46

Finding the Fourth Proportional to 5,380.32, 7,424.94 and 3,022.46

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Solution

The fourth proportional to 5,380.32, 7,424.94 and 3,022.46 is: 4,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.32 : 7,424.94 = 3,022.46 : x
  2. Step 2: Convert to fraction form
    5,380.32/7,424.94 = 3,022.46/x
  3. Step 3: Cross multiply
    5,380.32x = 7,424.94 × 3,022.46
  4. Step 4: Simplify right side
    5,380.32x = 22,441,619.47
  5. Step 5: Solve for x
    x = 22,441,619.47/5,380.32
  6. Step 6: Final answer
    x = 4,171.05

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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.