Home / 4,115.30-6,176.19-1,520.06

Finding the Fourth Proportional to 4,115.30, 6,176.19 and 1,520.06

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Solution

The fourth proportional to 4,115.30, 6,176.19 and 1,520.06 is: 2,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.30 : 6,176.19 = 1,520.06 : x
  2. Step 2: Convert to fraction form
    4,115.30/6,176.19 = 1,520.06/x
  3. Step 3: Cross multiply
    4,115.30x = 6,176.19 × 1,520.06
  4. Step 4: Simplify right side
    4,115.30x = 9,388,179.37
  5. Step 5: Solve for x
    x = 9,388,179.37/4,115.30
  6. Step 6: Final answer
    x = 2,281.29

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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.