Home / 6,121.13-9,181.66-1,738.58

Finding the Fourth Proportional to 6,121.13, 9,181.66 and 1,738.58

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Solution

The fourth proportional to 6,121.13, 9,181.66 and 1,738.58 is: 2,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.13 : 9,181.66 = 1,738.58 : x
  2. Step 2: Convert to fraction form
    6,121.13/9,181.66 = 1,738.58/x
  3. Step 3: Cross multiply
    6,121.13x = 9,181.66 × 1,738.58
  4. Step 4: Simplify right side
    6,121.13x = 15,963,050.44
  5. Step 5: Solve for x
    x = 15,963,050.44/6,121.13
  6. Step 6: Final answer
    x = 2,607.86

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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.