Home / 6,687.36-10,015.47-3,392.46

Finding the Fourth Proportional to 6,687.36, 10,015.47 and 3,392.46

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Solution

The fourth proportional to 6,687.36, 10,015.47 and 3,392.46 is: 5,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.36 : 10,015.47 = 3,392.46 : x
  2. Step 2: Convert to fraction form
    6,687.36/10,015.47 = 3,392.46/x
  3. Step 3: Cross multiply
    6,687.36x = 10,015.47 × 3,392.46
  4. Step 4: Simplify right side
    6,687.36x = 33,977,081.36
  5. Step 5: Solve for x
    x = 33,977,081.36/6,687.36
  6. Step 6: Final answer
    x = 5,080.79

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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.