Home / 7,887.22-11,830.83-2,340.97

Finding the Fourth Proportional to 7,887.22, 11,830.83 and 2,340.97

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Solution

The fourth proportional to 7,887.22, 11,830.83 and 2,340.97 is: 3,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.22 : 11,830.83 = 2,340.97 : x
  2. Step 2: Convert to fraction form
    7,887.22/11,830.83 = 2,340.97/x
  3. Step 3: Cross multiply
    7,887.22x = 11,830.83 × 2,340.97
  4. Step 4: Simplify right side
    7,887.22x = 27,695,618.11
  5. Step 5: Solve for x
    x = 27,695,618.11/7,887.22
  6. Step 6: Final answer
    x = 3,511.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.