Home / 4,227.06-6,342.40-1,629.40

Finding the Fourth Proportional to 4,227.06, 6,342.40 and 1,629.40

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Solution

The fourth proportional to 4,227.06, 6,342.40 and 1,629.40 is: 2,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.06 : 6,342.40 = 1,629.40 : x
  2. Step 2: Convert to fraction form
    4,227.06/6,342.40 = 1,629.40/x
  3. Step 3: Cross multiply
    4,227.06x = 6,342.40 × 1,629.40
  4. Step 4: Simplify right side
    4,227.06x = 10,334,306.56
  5. Step 5: Solve for x
    x = 10,334,306.56/4,227.06
  6. Step 6: Final answer
    x = 2,444.80

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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.