Home / 4,203.20-6,304.80-1,083.21

Finding the Fourth Proportional to 4,203.20, 6,304.80 and 1,083.21

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Solution

The fourth proportional to 4,203.20, 6,304.80 and 1,083.21 is: 1,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.20 : 6,304.80 = 1,083.21 : x
  2. Step 2: Convert to fraction form
    4,203.20/6,304.80 = 1,083.21/x
  3. Step 3: Cross multiply
    4,203.20x = 6,304.80 × 1,083.21
  4. Step 4: Simplify right side
    4,203.20x = 6,829,422.41
  5. Step 5: Solve for x
    x = 6,829,422.41/4,203.20
  6. Step 6: Final answer
    x = 1,624.82

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1.5x scale

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.