Home / 5,459.82-8,191.46-1,949.75

Finding the Fourth Proportional to 5,459.82, 8,191.46 and 1,949.75

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Solution

The fourth proportional to 5,459.82, 8,191.46 and 1,949.75 is: 2,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.82 : 8,191.46 = 1,949.75 : x
  2. Step 2: Convert to fraction form
    5,459.82/8,191.46 = 1,949.75/x
  3. Step 3: Cross multiply
    5,459.82x = 8,191.46 × 1,949.75
  4. Step 4: Simplify right side
    5,459.82x = 15,971,299.14
  5. Step 5: Solve for x
    x = 15,971,299.14/5,459.82
  6. Step 6: Final answer
    x = 2,925.24

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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.