Home / 4,785.42-7,177.32-1,322.68

Finding the Fourth Proportional to 4,785.42, 7,177.32 and 1,322.68

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Solution

The fourth proportional to 4,785.42, 7,177.32 and 1,322.68 is: 1,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.42 : 7,177.32 = 1,322.68 : x
  2. Step 2: Convert to fraction form
    4,785.42/7,177.32 = 1,322.68/x
  3. Step 3: Cross multiply
    4,785.42x = 7,177.32 × 1,322.68
  4. Step 4: Simplify right side
    4,785.42x = 9,493,297.62
  5. Step 5: Solve for x
    x = 9,493,297.62/4,785.42
  6. Step 6: Final answer
    x = 1,983.80

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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.