Home / 6,723.42-10,085.13-2,109.66

Finding the Fourth Proportional to 6,723.42, 10,085.13 and 2,109.66

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Solution

The fourth proportional to 6,723.42, 10,085.13 and 2,109.66 is: 3,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.42 : 10,085.13 = 2,109.66 : x
  2. Step 2: Convert to fraction form
    6,723.42/10,085.13 = 2,109.66/x
  3. Step 3: Cross multiply
    6,723.42x = 10,085.13 × 2,109.66
  4. Step 4: Simplify right side
    6,723.42x = 21,276,195.36
  5. Step 5: Solve for x
    x = 21,276,195.36/6,723.42
  6. Step 6: Final answer
    x = 3,164.49

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Double scale
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Similar ratio
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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.