Home / 5,435.91-8,153.87-3,369.20

Finding the Fourth Proportional to 5,435.91, 8,153.87 and 3,369.20

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Solution

The fourth proportional to 5,435.91, 8,153.87 and 3,369.20 is: 5,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.91 : 8,153.87 = 3,369.20 : x
  2. Step 2: Convert to fraction form
    5,435.91/8,153.87 = 3,369.20/x
  3. Step 3: Cross multiply
    5,435.91x = 8,153.87 × 3,369.20
  4. Step 4: Simplify right side
    5,435.91x = 27,471,961.19
  5. Step 5: Solve for x
    x = 27,471,961.19/5,435.91
  6. Step 6: Final answer
    x = 5,053.79

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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.