Home / 4,221.66-6,331.41-2,905.14

Finding the Fourth Proportional to 4,221.66, 6,331.41 and 2,905.14

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Solution

The fourth proportional to 4,221.66, 6,331.41 and 2,905.14 is: 4,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.66 : 6,331.41 = 2,905.14 : x
  2. Step 2: Convert to fraction form
    4,221.66/6,331.41 = 2,905.14/x
  3. Step 3: Cross multiply
    4,221.66x = 6,331.41 × 2,905.14
  4. Step 4: Simplify right side
    4,221.66x = 18,393,632.45
  5. Step 5: Solve for x
    x = 18,393,632.45/4,221.66
  6. Step 6: Final answer
    x = 4,356.97

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1.5x scale

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.