Home / 6,687.24-9,228.24-3,662.36

Finding the Fourth Proportional to 6,687.24, 9,228.24 and 3,662.36

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Solution

The fourth proportional to 6,687.24, 9,228.24 and 3,662.36 is: 5,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.24 : 9,228.24 = 3,662.36 : x
  2. Step 2: Convert to fraction form
    6,687.24/9,228.24 = 3,662.36/x
  3. Step 3: Cross multiply
    6,687.24x = 9,228.24 × 3,662.36
  4. Step 4: Simplify right side
    6,687.24x = 33,797,125.51
  5. Step 5: Solve for x
    x = 33,797,125.51/6,687.24
  6. Step 6: Final answer
    x = 5,053.98

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1.5x scale

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.