Home / 6,884.87-9,501.15-3,901.28

Finding the Fourth Proportional to 6,884.87, 9,501.15 and 3,901.28

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Solution

The fourth proportional to 6,884.87, 9,501.15 and 3,901.28 is: 5,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.87 : 9,501.15 = 3,901.28 : x
  2. Step 2: Convert to fraction form
    6,884.87/9,501.15 = 3,901.28/x
  3. Step 3: Cross multiply
    6,884.87x = 9,501.15 × 3,901.28
  4. Step 4: Simplify right side
    6,884.87x = 37,066,598.97
  5. Step 5: Solve for x
    x = 37,066,598.97/6,884.87
  6. Step 6: Final answer
    x = 5,383.78

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Why These Related Problems?

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