Home / 6,070.86-9,105.96-2,120.88

Finding the Fourth Proportional to 6,070.86, 9,105.96 and 2,120.88

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Solution

The fourth proportional to 6,070.86, 9,105.96 and 2,120.88 is: 3,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,070.86 : 9,105.96 = 2,120.88 : x
  2. Step 2: Convert to fraction form
    6,070.86/9,105.96 = 2,120.88/x
  3. Step 3: Cross multiply
    6,070.86x = 9,105.96 × 2,120.88
  4. Step 4: Simplify right side
    6,070.86x = 19,312,648.44
  5. Step 5: Solve for x
    x = 19,312,648.44/6,070.86
  6. Step 6: Final answer
    x = 3,181.20

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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.