Home / 5,631.12-7,767.39-4,194.28

Finding the Fourth Proportional to 5,631.12, 7,767.39 and 4,194.28

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Solution

The fourth proportional to 5,631.12, 7,767.39 and 4,194.28 is: 5,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.12 : 7,767.39 = 4,194.28 : x
  2. Step 2: Convert to fraction form
    5,631.12/7,767.39 = 4,194.28/x
  3. Step 3: Cross multiply
    5,631.12x = 7,767.39 × 4,194.28
  4. Step 4: Simplify right side
    5,631.12x = 32,578,633.97
  5. Step 5: Solve for x
    x = 32,578,633.97/5,631.12
  6. Step 6: Final answer
    x = 5,785.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.