Home / 5,879.40-8,818.66-2,760.12

Finding the Fourth Proportional to 5,879.40, 8,818.66 and 2,760.12

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Solution

The fourth proportional to 5,879.40, 8,818.66 and 2,760.12 is: 4,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.40 : 8,818.66 = 2,760.12 : x
  2. Step 2: Convert to fraction form
    5,879.40/8,818.66 = 2,760.12/x
  3. Step 3: Cross multiply
    5,879.40x = 8,818.66 × 2,760.12
  4. Step 4: Simplify right side
    5,879.40x = 24,340,559.84
  5. Step 5: Solve for x
    x = 24,340,559.84/5,879.40
  6. Step 6: Final answer
    x = 4,139.97

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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.