Home / 7,400.39-11,100.69-4,134.29

Finding the Fourth Proportional to 7,400.39, 11,100.69 and 4,134.29

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Solution

The fourth proportional to 7,400.39, 11,100.69 and 4,134.29 is: 6,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.39 : 11,100.69 = 4,134.29 : x
  2. Step 2: Convert to fraction form
    7,400.39/11,100.69 = 4,134.29/x
  3. Step 3: Cross multiply
    7,400.39x = 11,100.69 × 4,134.29
  4. Step 4: Simplify right side
    7,400.39x = 45,893,416.16
  5. Step 5: Solve for x
    x = 45,893,416.16/7,400.39
  6. Step 6: Final answer
    x = 6,201.49

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Half scale
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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.