Home / 4,115.21-6,158.97-3,111.84

Finding the Fourth Proportional to 4,115.21, 6,158.97 and 3,111.84

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Solution

The fourth proportional to 4,115.21, 6,158.97 and 3,111.84 is: 4,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.21 : 6,158.97 = 3,111.84 : x
  2. Step 2: Convert to fraction form
    4,115.21/6,158.97 = 3,111.84/x
  3. Step 3: Cross multiply
    4,115.21x = 6,158.97 × 3,111.84
  4. Step 4: Simplify right side
    4,115.21x = 19,165,729.20
  5. Step 5: Solve for x
    x = 19,165,729.20/4,115.21
  6. Step 6: Final answer
    x = 4,657.29

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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.