Home / 6,105.42-9,151.40-3,994.51

Finding the Fourth Proportional to 6,105.42, 9,151.40 and 3,994.51

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Solution

The fourth proportional to 6,105.42, 9,151.40 and 3,994.51 is: 5,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.42 : 9,151.40 = 3,994.51 : x
  2. Step 2: Convert to fraction form
    6,105.42/9,151.40 = 3,994.51/x
  3. Step 3: Cross multiply
    6,105.42x = 9,151.40 × 3,994.51
  4. Step 4: Simplify right side
    6,105.42x = 36,555,325.95
  5. Step 5: Solve for x
    x = 36,555,325.95/6,105.42
  6. Step 6: Final answer
    x = 5,987.36

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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.