Home / 6,122.43-8,447.48-3,883.49

Finding the Fourth Proportional to 6,122.43, 8,447.48 and 3,883.49

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Solution

The fourth proportional to 6,122.43, 8,447.48 and 3,883.49 is: 5,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.43 : 8,447.48 = 3,883.49 : x
  2. Step 2: Convert to fraction form
    6,122.43/8,447.48 = 3,883.49/x
  3. Step 3: Cross multiply
    6,122.43x = 8,447.48 × 3,883.49
  4. Step 4: Simplify right side
    6,122.43x = 32,805,705.81
  5. Step 5: Solve for x
    x = 32,805,705.81/6,122.43
  6. Step 6: Final answer
    x = 5,358.28

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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.