Home / 8,215.36-11,337.23-4,489.36

Finding the Fourth Proportional to 8,215.36, 11,337.23 and 4,489.36

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Solution

The fourth proportional to 8,215.36, 11,337.23 and 4,489.36 is: 6,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.36 : 11,337.23 = 4,489.36 : x
  2. Step 2: Convert to fraction form
    8,215.36/11,337.23 = 4,489.36/x
  3. Step 3: Cross multiply
    8,215.36x = 11,337.23 × 4,489.36
  4. Step 4: Simplify right side
    8,215.36x = 50,896,906.87
  5. Step 5: Solve for x
    x = 50,896,906.87/8,215.36
  6. Step 6: Final answer
    x = 6,195.33

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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.