Home / 3,863.19-5,327.20-3,305.51

Finding the Fourth Proportional to 3,863.19, 5,327.20 and 3,305.51

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Solution

The fourth proportional to 3,863.19, 5,327.20 and 3,305.51 is: 4,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.19 : 5,327.20 = 3,305.51 : x
  2. Step 2: Convert to fraction form
    3,863.19/5,327.20 = 3,305.51/x
  3. Step 3: Cross multiply
    3,863.19x = 5,327.20 × 3,305.51
  4. Step 4: Simplify right side
    3,863.19x = 17,609,110.34
  5. Step 5: Solve for x
    x = 17,609,110.34/3,863.19
  6. Step 6: Final answer
    x = 4,558.17

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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.