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Finding the Fourth Proportional to 7,494.21, 11,248.21 and 3,799.06

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Solution

The fourth proportional to 7,494.21, 11,248.21 and 3,799.06 is: 5,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.21 : 11,248.21 = 3,799.06 : x
  2. Step 2: Convert to fraction form
    7,494.21/11,248.21 = 3,799.06/x
  3. Step 3: Cross multiply
    7,494.21x = 11,248.21 × 3,799.06
  4. Step 4: Simplify right side
    7,494.21x = 42,732,624.68
  5. Step 5: Solve for x
    x = 42,732,624.68/7,494.21
  6. Step 6: Final answer
    x = 5,702.09

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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.