Home / 5,206.41-7,809.21-2,086.29

Finding the Fourth Proportional to 5,206.41, 7,809.21 and 2,086.29

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Solution

The fourth proportional to 5,206.41, 7,809.21 and 2,086.29 is: 3,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.41 : 7,809.21 = 2,086.29 : x
  2. Step 2: Convert to fraction form
    5,206.41/7,809.21 = 2,086.29/x
  3. Step 3: Cross multiply
    5,206.41x = 7,809.21 × 2,086.29
  4. Step 4: Simplify right side
    5,206.41x = 16,292,276.73
  5. Step 5: Solve for x
    x = 16,292,276.73/5,206.41
  6. Step 6: Final answer
    x = 3,129.27

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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.