Home / 6,126.89-9,181.81-3,199.35

Finding the Fourth Proportional to 6,126.89, 9,181.81 and 3,199.35

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Solution

The fourth proportional to 6,126.89, 9,181.81 and 3,199.35 is: 4,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.89 : 9,181.81 = 3,199.35 : x
  2. Step 2: Convert to fraction form
    6,126.89/9,181.81 = 3,199.35/x
  3. Step 3: Cross multiply
    6,126.89x = 9,181.81 × 3,199.35
  4. Step 4: Simplify right side
    6,126.89x = 29,375,823.82
  5. Step 5: Solve for x
    x = 29,375,823.82/6,126.89
  6. Step 6: Final answer
    x = 4,794.57

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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.