Home / 6,896.88-10,337.21-3,191.28

Finding the Fourth Proportional to 6,896.88, 10,337.21 and 3,191.28

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Solution

The fourth proportional to 6,896.88, 10,337.21 and 3,191.28 is: 4,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.88 : 10,337.21 = 3,191.28 : x
  2. Step 2: Convert to fraction form
    6,896.88/10,337.21 = 3,191.28/x
  3. Step 3: Cross multiply
    6,896.88x = 10,337.21 × 3,191.28
  4. Step 4: Simplify right side
    6,896.88x = 32,988,939.51
  5. Step 5: Solve for x
    x = 32,988,939.51/6,896.88
  6. Step 6: Final answer
    x = 4,783.17

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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.