Home / 5,348.08-7,380.13-3,109.85

Finding the Fourth Proportional to 5,348.08, 7,380.13 and 3,109.85

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Solution

The fourth proportional to 5,348.08, 7,380.13 and 3,109.85 is: 4,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.08 : 7,380.13 = 3,109.85 : x
  2. Step 2: Convert to fraction form
    5,348.08/7,380.13 = 3,109.85/x
  3. Step 3: Cross multiply
    5,348.08x = 7,380.13 × 3,109.85
  4. Step 4: Simplify right side
    5,348.08x = 22,951,097.28
  5. Step 5: Solve for x
    x = 22,951,097.28/5,348.08
  6. Step 6: Final answer
    x = 4,291.46

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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.