Home / 6,145.08-9,211.78-3,917.66

Finding the Fourth Proportional to 6,145.08, 9,211.78 and 3,917.66

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Solution

The fourth proportional to 6,145.08, 9,211.78 and 3,917.66 is: 5,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.08 : 9,211.78 = 3,917.66 : x
  2. Step 2: Convert to fraction form
    6,145.08/9,211.78 = 3,917.66/x
  3. Step 3: Cross multiply
    6,145.08x = 9,211.78 × 3,917.66
  4. Step 4: Simplify right side
    6,145.08x = 36,088,622.03
  5. Step 5: Solve for x
    x = 36,088,622.03/6,145.08
  6. Step 6: Final answer
    x = 5,872.77

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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.