Home / 4,167.40-6,251.70-1,976.20

Finding the Fourth Proportional to 4,167.40, 6,251.70 and 1,976.20

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Solution

The fourth proportional to 4,167.40, 6,251.70 and 1,976.20 is: 2,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.40 : 6,251.70 = 1,976.20 : x
  2. Step 2: Convert to fraction form
    4,167.40/6,251.70 = 1,976.20/x
  3. Step 3: Cross multiply
    4,167.40x = 6,251.70 × 1,976.20
  4. Step 4: Simplify right side
    4,167.40x = 12,354,609.54
  5. Step 5: Solve for x
    x = 12,354,609.54/4,167.40
  6. Step 6: Final answer
    x = 2,964.58

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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.