Home / 4,200.26-6,304.28-2,121.72

Finding the Fourth Proportional to 4,200.26, 6,304.28 and 2,121.72

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Solution

The fourth proportional to 4,200.26, 6,304.28 and 2,121.72 is: 3,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.26 : 6,304.28 = 2,121.72 : x
  2. Step 2: Convert to fraction form
    4,200.26/6,304.28 = 2,121.72/x
  3. Step 3: Cross multiply
    4,200.26x = 6,304.28 × 2,121.72
  4. Step 4: Simplify right side
    4,200.26x = 13,375,932.32
  5. Step 5: Solve for x
    x = 13,375,932.32/4,200.26
  6. Step 6: Final answer
    x = 3,184.55

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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.