Home / 7,481.36-10,308.43-6,190.76

Finding the Fourth Proportional to 7,481.36, 10,308.43 and 6,190.76

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Solution

The fourth proportional to 7,481.36, 10,308.43 and 6,190.76 is: 8,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.36 : 10,308.43 = 6,190.76 : x
  2. Step 2: Convert to fraction form
    7,481.36/10,308.43 = 6,190.76/x
  3. Step 3: Cross multiply
    7,481.36x = 10,308.43 × 6,190.76
  4. Step 4: Simplify right side
    7,481.36x = 63,817,049.62
  5. Step 5: Solve for x
    x = 63,817,049.62/7,481.36
  6. Step 6: Final answer
    x = 8,530.14

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Half scale
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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.