Home / 5,439.32-8,160.90-3,356.90

Finding the Fourth Proportional to 5,439.32, 8,160.90 and 3,356.90

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Solution

The fourth proportional to 5,439.32, 8,160.90 and 3,356.90 is: 5,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.32 : 8,160.90 = 3,356.90 : x
  2. Step 2: Convert to fraction form
    5,439.32/8,160.90 = 3,356.90/x
  3. Step 3: Cross multiply
    5,439.32x = 8,160.90 × 3,356.90
  4. Step 4: Simplify right side
    5,439.32x = 27,395,325.21
  5. Step 5: Solve for x
    x = 27,395,325.21/5,439.32
  6. Step 6: Final answer
    x = 5,036.53

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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.