Home / 8,185.28-11,296.60-4,649.09

Finding the Fourth Proportional to 8,185.28, 11,296.60 and 4,649.09

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Solution

The fourth proportional to 8,185.28, 11,296.60 and 4,649.09 is: 6,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.28 : 11,296.60 = 4,649.09 : x
  2. Step 2: Convert to fraction form
    8,185.28/11,296.60 = 4,649.09/x
  3. Step 3: Cross multiply
    8,185.28x = 11,296.60 × 4,649.09
  4. Step 4: Simplify right side
    8,185.28x = 52,518,841.99
  5. Step 5: Solve for x
    x = 52,518,841.99/8,185.28
  6. Step 6: Final answer
    x = 6,416.26

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Double 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.