Home / 7,472.40-11,203.39-3,310.14

Finding the Fourth Proportional to 7,472.40, 11,203.39 and 3,310.14

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Solution

The fourth proportional to 7,472.40, 11,203.39 and 3,310.14 is: 4,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.40 : 11,203.39 = 3,310.14 : x
  2. Step 2: Convert to fraction form
    7,472.40/11,203.39 = 3,310.14/x
  3. Step 3: Cross multiply
    7,472.40x = 11,203.39 × 3,310.14
  4. Step 4: Simplify right side
    7,472.40x = 37,084,789.37
  5. Step 5: Solve for x
    x = 37,084,789.37/7,472.40
  6. Step 6: Final answer
    x = 4,962.90

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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.