Home / 6,121.04-9,181.56-2,425.86

Finding the Fourth Proportional to 6,121.04, 9,181.56 and 2,425.86

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Solution

The fourth proportional to 6,121.04, 9,181.56 and 2,425.86 is: 3,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.04 : 9,181.56 = 2,425.86 : x
  2. Step 2: Convert to fraction form
    6,121.04/9,181.56 = 2,425.86/x
  3. Step 3: Cross multiply
    6,121.04x = 9,181.56 × 2,425.86
  4. Step 4: Simplify right side
    6,121.04x = 22,273,181.53
  5. Step 5: Solve for x
    x = 22,273,181.53/6,121.04
  6. Step 6: Final answer
    x = 3,638.79

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Double scale
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Similar ratio
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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.