Home / 5,808.49-8,707.46-2,109.13

Finding the Fourth Proportional to 5,808.49, 8,707.46 and 2,109.13

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Solution

The fourth proportional to 5,808.49, 8,707.46 and 2,109.13 is: 3,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.49 : 8,707.46 = 2,109.13 : x
  2. Step 2: Convert to fraction form
    5,808.49/8,707.46 = 2,109.13/x
  3. Step 3: Cross multiply
    5,808.49x = 8,707.46 × 2,109.13
  4. Step 4: Simplify right side
    5,808.49x = 18,365,154.56
  5. Step 5: Solve for x
    x = 18,365,154.56/5,808.49
  6. Step 6: Final answer
    x = 3,161.78

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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.