Home / 6,115.88-9,122.41-5,555.30

Finding the Fourth Proportional to 6,115.88, 9,122.41 and 5,555.30

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Solution

The fourth proportional to 6,115.88, 9,122.41 and 5,555.30 is: 8,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.88 : 9,122.41 = 5,555.30 : x
  2. Step 2: Convert to fraction form
    6,115.88/9,122.41 = 5,555.30/x
  3. Step 3: Cross multiply
    6,115.88x = 9,122.41 × 5,555.30
  4. Step 4: Simplify right side
    6,115.88x = 50,677,664.77
  5. Step 5: Solve for x
    x = 50,677,664.77/6,115.88
  6. Step 6: Final answer
    x = 8,286.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.