Home / 7,356.12-10,151.44-3,998.92

Finding the Fourth Proportional to 7,356.12, 10,151.44 and 3,998.92

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Solution

The fourth proportional to 7,356.12, 10,151.44 and 3,998.92 is: 5,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.12 : 10,151.44 = 3,998.92 : x
  2. Step 2: Convert to fraction form
    7,356.12/10,151.44 = 3,998.92/x
  3. Step 3: Cross multiply
    7,356.12x = 10,151.44 × 3,998.92
  4. Step 4: Simplify right side
    7,356.12x = 40,594,796.44
  5. Step 5: Solve for x
    x = 40,594,796.44/7,356.12
  6. Step 6: Final answer
    x = 5,518.51

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.