Home / 6,121.07-9,181.60-1,738.56

Finding the Fourth Proportional to 6,121.07, 9,181.60 and 1,738.56

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Solution

The fourth proportional to 6,121.07, 9,181.60 and 1,738.56 is: 2,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.07 : 9,181.60 = 1,738.56 : x
  2. Step 2: Convert to fraction form
    6,121.07/9,181.60 = 1,738.56/x
  3. Step 3: Cross multiply
    6,121.07x = 9,181.60 × 1,738.56
  4. Step 4: Simplify right side
    6,121.07x = 15,962,802.36
  5. Step 5: Solve for x
    x = 15,962,802.36/6,121.07
  6. Step 6: Final answer
    x = 2,607.85

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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.