Home / 7,574.93-11,364.19-2,380.81

Finding the Fourth Proportional to 7,574.93, 11,364.19 and 2,380.81

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Solution

The fourth proportional to 7,574.93, 11,364.19 and 2,380.81 is: 3,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.93 : 11,364.19 = 2,380.81 : x
  2. Step 2: Convert to fraction form
    7,574.93/11,364.19 = 2,380.81/x
  3. Step 3: Cross multiply
    7,574.93x = 11,364.19 × 2,380.81
  4. Step 4: Simplify right side
    7,574.93x = 27,055,977.19
  5. Step 5: Solve for x
    x = 27,055,977.19/7,574.93
  6. Step 6: Final answer
    x = 3,571.78

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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.