Home / 5,081.70-7,620.20-2,308.26

Finding the Fourth Proportional to 5,081.70, 7,620.20 and 2,308.26

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Solution

The fourth proportional to 5,081.70, 7,620.20 and 2,308.26 is: 3,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.70 : 7,620.20 = 2,308.26 : x
  2. Step 2: Convert to fraction form
    5,081.70/7,620.20 = 2,308.26/x
  3. Step 3: Cross multiply
    5,081.70x = 7,620.20 × 2,308.26
  4. Step 4: Simplify right side
    5,081.70x = 17,589,402.85
  5. Step 5: Solve for x
    x = 17,589,402.85/5,081.70
  6. Step 6: Final answer
    x = 3,461.32

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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.