Home / 8,190.48-11,302.20-6,067.20

Finding the Fourth Proportional to 8,190.48, 11,302.20 and 6,067.20

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Solution

The fourth proportional to 8,190.48, 11,302.20 and 6,067.20 is: 8,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.48 : 11,302.20 = 6,067.20 : x
  2. Step 2: Convert to fraction form
    8,190.48/11,302.20 = 6,067.20/x
  3. Step 3: Cross multiply
    8,190.48x = 11,302.20 × 6,067.20
  4. Step 4: Simplify right side
    8,190.48x = 68,572,707.84
  5. Step 5: Solve for x
    x = 68,572,707.84/8,190.48
  6. Step 6: Final answer
    x = 8,372.25

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Half scale
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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.