Home / 8,046.45-11,104.83-5,215.20

Finding the Fourth Proportional to 8,046.45, 11,104.83 and 5,215.20

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Solution

The fourth proportional to 8,046.45, 11,104.83 and 5,215.20 is: 7,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.45 : 11,104.83 = 5,215.20 : x
  2. Step 2: Convert to fraction form
    8,046.45/11,104.83 = 5,215.20/x
  3. Step 3: Cross multiply
    8,046.45x = 11,104.83 × 5,215.20
  4. Step 4: Simplify right side
    8,046.45x = 57,913,867.77
  5. Step 5: Solve for x
    x = 57,913,867.77/8,046.45
  6. Step 6: Final answer
    x = 7,197.44

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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.