Home / 7,460.20-11,198.40-4,179.70

Finding the Fourth Proportional to 7,460.20, 11,198.40 and 4,179.70

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Solution

The fourth proportional to 7,460.20, 11,198.40 and 4,179.70 is: 6,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.20 : 11,198.40 = 4,179.70 : x
  2. Step 2: Convert to fraction form
    7,460.20/11,198.40 = 4,179.70/x
  3. Step 3: Cross multiply
    7,460.20x = 11,198.40 × 4,179.70
  4. Step 4: Simplify right side
    7,460.20x = 46,805,952.48
  5. Step 5: Solve for x
    x = 46,805,952.48/7,460.20
  6. Step 6: Final answer
    x = 6,274.09

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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.