Home / 5,149.13-7,105.73-2,910.93

Finding the Fourth Proportional to 5,149.13, 7,105.73 and 2,910.93

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Solution

The fourth proportional to 5,149.13, 7,105.73 and 2,910.93 is: 4,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.13 : 7,105.73 = 2,910.93 : x
  2. Step 2: Convert to fraction form
    5,149.13/7,105.73 = 2,910.93/x
  3. Step 3: Cross multiply
    5,149.13x = 7,105.73 × 2,910.93
  4. Step 4: Simplify right side
    5,149.13x = 20,684,282.63
  5. Step 5: Solve for x
    x = 20,684,282.63/5,149.13
  6. Step 6: Final answer
    x = 4,017.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.