Home / 4,785.14-7,177.84-1,322.39

Finding the Fourth Proportional to 4,785.14, 7,177.84 and 1,322.39

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Solution

The fourth proportional to 4,785.14, 7,177.84 and 1,322.39 is: 1,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.14 : 7,177.84 = 1,322.39 : x
  2. Step 2: Convert to fraction form
    4,785.14/7,177.84 = 1,322.39/x
  3. Step 3: Cross multiply
    4,785.14x = 7,177.84 × 1,322.39
  4. Step 4: Simplify right side
    4,785.14x = 9,491,864.64
  5. Step 5: Solve for x
    x = 9,491,864.64/4,785.14
  6. Step 6: Final answer
    x = 1,983.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.