Home / 5,409.92-8,111.91-3,330.70

Finding the Fourth Proportional to 5,409.92, 8,111.91 and 3,330.70

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Solution

The fourth proportional to 5,409.92, 8,111.91 and 3,330.70 is: 4,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.92 : 8,111.91 = 3,330.70 : x
  2. Step 2: Convert to fraction form
    5,409.92/8,111.91 = 3,330.70/x
  3. Step 3: Cross multiply
    5,409.92x = 8,111.91 × 3,330.70
  4. Step 4: Simplify right side
    5,409.92x = 27,018,338.64
  5. Step 5: Solve for x
    x = 27,018,338.64/5,409.92
  6. Step 6: Final answer
    x = 4,994.22

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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.