Home / 4,785.38-7,178.48-1,322.63

Finding the Fourth Proportional to 4,785.38, 7,178.48 and 1,322.63

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Solution

The fourth proportional to 4,785.38, 7,178.48 and 1,322.63 is: 1,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.38 : 7,178.48 = 1,322.63 : x
  2. Step 2: Convert to fraction form
    4,785.38/7,178.48 = 1,322.63/x
  3. Step 3: Cross multiply
    4,785.38x = 7,178.48 × 1,322.63
  4. Step 4: Simplify right side
    4,785.38x = 9,494,473.00
  5. Step 5: Solve for x
    x = 9,494,473.00/4,785.38
  6. Step 6: Final answer
    x = 1,984.06

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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.