Home / 4,202.72-6,304.88-1,281.44

Finding the Fourth Proportional to 4,202.72, 6,304.88 and 1,281.44

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Solution

The fourth proportional to 4,202.72, 6,304.88 and 1,281.44 is: 1,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.72 : 6,304.88 = 1,281.44 : x
  2. Step 2: Convert to fraction form
    4,202.72/6,304.88 = 1,281.44/x
  3. Step 3: Cross multiply
    4,202.72x = 6,304.88 × 1,281.44
  4. Step 4: Simplify right side
    4,202.72x = 8,079,325.43
  5. Step 5: Solve for x
    x = 8,079,325.43/4,202.72
  6. Step 6: Final answer
    x = 1,922.40

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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.