Home / 5,410.05-8,112.10-3,330.82

Finding the Fourth Proportional to 5,410.05, 8,112.10 and 3,330.82

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Solution

The fourth proportional to 5,410.05, 8,112.10 and 3,330.82 is: 4,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.05 : 8,112.10 = 3,330.82 : x
  2. Step 2: Convert to fraction form
    5,410.05/8,112.10 = 3,330.82/x
  3. Step 3: Cross multiply
    5,410.05x = 8,112.10 × 3,330.82
  4. Step 4: Simplify right side
    5,410.05x = 27,019,944.92
  5. Step 5: Solve for x
    x = 27,019,944.92/5,410.05
  6. Step 6: Final answer
    x = 4,994.40

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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.