Home / 8,577.40-12,863.94-3,383.32

Finding the Fourth Proportional to 8,577.40, 12,863.94 and 3,383.32

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Solution

The fourth proportional to 8,577.40, 12,863.94 and 3,383.32 is: 5,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.40 : 12,863.94 = 3,383.32 : x
  2. Step 2: Convert to fraction form
    8,577.40/12,863.94 = 3,383.32/x
  3. Step 3: Cross multiply
    8,577.40x = 12,863.94 × 3,383.32
  4. Step 4: Simplify right side
    8,577.40x = 43,522,825.48
  5. Step 5: Solve for x
    x = 43,522,825.48/8,577.40
  6. Step 6: Final answer
    x = 5,074.13

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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.