Home / 4,070.76-6,108.66-1,879.80

Finding the Fourth Proportional to 4,070.76, 6,108.66 and 1,879.80

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Solution

The fourth proportional to 4,070.76, 6,108.66 and 1,879.80 is: 2,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.76 : 6,108.66 = 1,879.80 : x
  2. Step 2: Convert to fraction form
    4,070.76/6,108.66 = 1,879.80/x
  3. Step 3: Cross multiply
    4,070.76x = 6,108.66 × 1,879.80
  4. Step 4: Simplify right side
    4,070.76x = 11,483,059.07
  5. Step 5: Solve for x
    x = 11,483,059.07/4,070.76
  6. Step 6: Final answer
    x = 2,820.86

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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.