Home / 7,011.66-10,517.13-2,081.34

Finding the Fourth Proportional to 7,011.66, 10,517.13 and 2,081.34

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Solution

The fourth proportional to 7,011.66, 10,517.13 and 2,081.34 is: 3,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.66 : 10,517.13 = 2,081.34 : x
  2. Step 2: Convert to fraction form
    7,011.66/10,517.13 = 2,081.34/x
  3. Step 3: Cross multiply
    7,011.66x = 10,517.13 × 2,081.34
  4. Step 4: Simplify right side
    7,011.66x = 21,889,723.35
  5. Step 5: Solve for x
    x = 21,889,723.35/7,011.66
  6. Step 6: Final answer
    x = 3,121.90

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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.