Home / 5,439.19-8,157.05-3,356.07

Finding the Fourth Proportional to 5,439.19, 8,157.05 and 3,356.07

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Solution

The fourth proportional to 5,439.19, 8,157.05 and 3,356.07 is: 5,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.19 : 8,157.05 = 3,356.07 : x
  2. Step 2: Convert to fraction form
    5,439.19/8,157.05 = 3,356.07/x
  3. Step 3: Cross multiply
    5,439.19x = 8,157.05 × 3,356.07
  4. Step 4: Simplify right side
    5,439.19x = 27,375,630.79
  5. Step 5: Solve for x
    x = 27,375,630.79/5,439.19
  6. Step 6: Final answer
    x = 5,033.04

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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.