Home / 8,611.40-11,883.30-5,073.96

Finding the Fourth Proportional to 8,611.40, 11,883.30 and 5,073.96

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Solution

The fourth proportional to 8,611.40, 11,883.30 and 5,073.96 is: 7,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611.40 : 11,883.30 = 5,073.96 : x
  2. Step 2: Convert to fraction form
    8,611.40/11,883.30 = 5,073.96/x
  3. Step 3: Cross multiply
    8,611.40x = 11,883.30 × 5,073.96
  4. Step 4: Simplify right side
    8,611.40x = 60,295,388.87
  5. Step 5: Solve for x
    x = 60,295,388.87/8,611.40
  6. Step 6: Final answer
    x = 7,001.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.