Home / 5,104.12-7,648.86-2,908.30

Finding the Fourth Proportional to 5,104.12, 7,648.86 and 2,908.30

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Solution

The fourth proportional to 5,104.12, 7,648.86 and 2,908.30 is: 4,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.12 : 7,648.86 = 2,908.30 : x
  2. Step 2: Convert to fraction form
    5,104.12/7,648.86 = 2,908.30/x
  3. Step 3: Cross multiply
    5,104.12x = 7,648.86 × 2,908.30
  4. Step 4: Simplify right side
    5,104.12x = 22,245,179.54
  5. Step 5: Solve for x
    x = 22,245,179.54/5,104.12
  6. Step 6: Final answer
    x = 4,358.28

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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.