Home / 4,213.80-6,306.66-3,171.28

Finding the Fourth Proportional to 4,213.80, 6,306.66 and 3,171.28

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Solution

The fourth proportional to 4,213.80, 6,306.66 and 3,171.28 is: 4,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.80 : 6,306.66 = 3,171.28 : x
  2. Step 2: Convert to fraction form
    4,213.80/6,306.66 = 3,171.28/x
  3. Step 3: Cross multiply
    4,213.80x = 6,306.66 × 3,171.28
  4. Step 4: Simplify right side
    4,213.80x = 20,000,184.72
  5. Step 5: Solve for x
    x = 20,000,184.72/4,213.80
  6. Step 6: Final answer
    x = 4,746.35

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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.