Home / 6,081.08-9,120.70-2,385.86

Finding the Fourth Proportional to 6,081.08, 9,120.70 and 2,385.86

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Solution

The fourth proportional to 6,081.08, 9,120.70 and 2,385.86 is: 3,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.08 : 9,120.70 = 2,385.86 : x
  2. Step 2: Convert to fraction form
    6,081.08/9,120.70 = 2,385.86/x
  3. Step 3: Cross multiply
    6,081.08x = 9,120.70 × 2,385.86
  4. Step 4: Simplify right side
    6,081.08x = 21,760,670.68
  5. Step 5: Solve for x
    x = 21,760,670.68/6,081.08
  6. Step 6: Final answer
    x = 3,578.42

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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.