Home / 4,282.52-6,426.21-1,687.28

Finding the Fourth Proportional to 4,282.52, 6,426.21 and 1,687.28

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Solution

The fourth proportional to 4,282.52, 6,426.21 and 1,687.28 is: 2,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.52 : 6,426.21 = 1,687.28 : x
  2. Step 2: Convert to fraction form
    4,282.52/6,426.21 = 1,687.28/x
  3. Step 3: Cross multiply
    4,282.52x = 6,426.21 × 1,687.28
  4. Step 4: Simplify right side
    4,282.52x = 10,842,795.33
  5. Step 5: Solve for x
    x = 10,842,795.33/4,282.52
  6. Step 6: Final answer
    x = 2,531.87

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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.