Home / 6,135.53-9,179.34-5,389.20

Finding the Fourth Proportional to 6,135.53, 9,179.34 and 5,389.20

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Solution

The fourth proportional to 6,135.53, 9,179.34 and 5,389.20 is: 8,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.53 : 9,179.34 = 5,389.20 : x
  2. Step 2: Convert to fraction form
    6,135.53/9,179.34 = 5,389.20/x
  3. Step 3: Cross multiply
    6,135.53x = 9,179.34 × 5,389.20
  4. Step 4: Simplify right side
    6,135.53x = 49,469,299.13
  5. Step 5: Solve for x
    x = 49,469,299.13/6,135.53
  6. Step 6: Final answer
    x = 8,062.77

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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.