Home / 6,638.15-9,160.36-3,654.18

Finding the Fourth Proportional to 6,638.15, 9,160.36 and 3,654.18

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Solution

The fourth proportional to 6,638.15, 9,160.36 and 3,654.18 is: 5,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.15 : 9,160.36 = 3,654.18 : x
  2. Step 2: Convert to fraction form
    6,638.15/9,160.36 = 3,654.18/x
  3. Step 3: Cross multiply
    6,638.15x = 9,160.36 × 3,654.18
  4. Step 4: Simplify right side
    6,638.15x = 33,473,595.17
  5. Step 5: Solve for x
    x = 33,473,595.17/6,638.15
  6. Step 6: Final answer
    x = 5,042.61

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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.