Home / 7,990.87-11,986.33-2,444.19

Finding the Fourth Proportional to 7,990.87, 11,986.33 and 2,444.19

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Solution

The fourth proportional to 7,990.87, 11,986.33 and 2,444.19 is: 3,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.87 : 11,986.33 = 2,444.19 : x
  2. Step 2: Convert to fraction form
    7,990.87/11,986.33 = 2,444.19/x
  3. Step 3: Cross multiply
    7,990.87x = 11,986.33 × 2,444.19
  4. Step 4: Simplify right side
    7,990.87x = 29,296,867.92
  5. Step 5: Solve for x
    x = 29,296,867.92/7,990.87
  6. Step 6: Final answer
    x = 3,666.29

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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.