Home / 7,327.46-10,986.73-2,879.80

Finding the Fourth Proportional to 7,327.46, 10,986.73 and 2,879.80

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Solution

The fourth proportional to 7,327.46, 10,986.73 and 2,879.80 is: 4,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.46 : 10,986.73 = 2,879.80 : x
  2. Step 2: Convert to fraction form
    7,327.46/10,986.73 = 2,879.80/x
  3. Step 3: Cross multiply
    7,327.46x = 10,986.73 × 2,879.80
  4. Step 4: Simplify right side
    7,327.46x = 31,639,585.05
  5. Step 5: Solve for x
    x = 31,639,585.05/7,327.46
  6. Step 6: Final answer
    x = 4,317.95

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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.