Home / 5,459.06-8,188.59-1,994.42

Finding the Fourth Proportional to 5,459.06, 8,188.59 and 1,994.42

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Solution

The fourth proportional to 5,459.06, 8,188.59 and 1,994.42 is: 2,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.06 : 8,188.59 = 1,994.42 : x
  2. Step 2: Convert to fraction form
    5,459.06/8,188.59 = 1,994.42/x
  3. Step 3: Cross multiply
    5,459.06x = 8,188.59 × 1,994.42
  4. Step 4: Simplify right side
    5,459.06x = 16,331,487.67
  5. Step 5: Solve for x
    x = 16,331,487.67/5,459.06
  6. Step 6: Final answer
    x = 2,991.63

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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.