Home / 4,070.15-6,105.62-1,879.50

Finding the Fourth Proportional to 4,070.15, 6,105.62 and 1,879.50

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Solution

The fourth proportional to 4,070.15, 6,105.62 and 1,879.50 is: 2,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.15 : 6,105.62 = 1,879.50 : x
  2. Step 2: Convert to fraction form
    4,070.15/6,105.62 = 1,879.50/x
  3. Step 3: Cross multiply
    4,070.15x = 6,105.62 × 1,879.50
  4. Step 4: Simplify right side
    4,070.15x = 11,475,517.49
  5. Step 5: Solve for x
    x = 11,475,517.49/4,070.15
  6. Step 6: Final answer
    x = 2,819.44

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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.