Home / 4,105.08-6,180.30-2,815.02

Finding the Fourth Proportional to 4,105.08, 6,180.30 and 2,815.02

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Solution

The fourth proportional to 4,105.08, 6,180.30 and 2,815.02 is: 4,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.08 : 6,180.30 = 2,815.02 : x
  2. Step 2: Convert to fraction form
    4,105.08/6,180.30 = 2,815.02/x
  3. Step 3: Cross multiply
    4,105.08x = 6,180.30 × 2,815.02
  4. Step 4: Simplify right side
    4,105.08x = 17,397,668.11
  5. Step 5: Solve for x
    x = 17,397,668.11/4,105.08
  6. Step 6: Final answer
    x = 4,238.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.