Home / 5,107.60-7,654.08-2,185.12

Finding the Fourth Proportional to 5,107.60, 7,654.08 and 2,185.12

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Solution

The fourth proportional to 5,107.60, 7,654.08 and 2,185.12 is: 3,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.60 : 7,654.08 = 2,185.12 : x
  2. Step 2: Convert to fraction form
    5,107.60/7,654.08 = 2,185.12/x
  3. Step 3: Cross multiply
    5,107.60x = 7,654.08 × 2,185.12
  4. Step 4: Simplify right side
    5,107.60x = 16,725,083.29
  5. Step 5: Solve for x
    x = 16,725,083.29/5,107.60
  6. Step 6: Final answer
    x = 3,274.55

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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.