Home / 5,190.57-7,789.48-2,070.29

Finding the Fourth Proportional to 5,190.57, 7,789.48 and 2,070.29

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Solution

The fourth proportional to 5,190.57, 7,789.48 and 2,070.29 is: 3,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.57 : 7,789.48 = 2,070.29 : x
  2. Step 2: Convert to fraction form
    5,190.57/7,789.48 = 2,070.29/x
  3. Step 3: Cross multiply
    5,190.57x = 7,789.48 × 2,070.29
  4. Step 4: Simplify right side
    5,190.57x = 16,126,496.85
  5. Step 5: Solve for x
    x = 16,126,496.85/5,190.57
  6. Step 6: Final answer
    x = 3,106.88

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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.