Home / 6,326.24-9,489.36-2,166.30

Finding the Fourth Proportional to 6,326.24, 9,489.36 and 2,166.30

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Solution

The fourth proportional to 6,326.24, 9,489.36 and 2,166.30 is: 3,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.24 : 9,489.36 = 2,166.30 : x
  2. Step 2: Convert to fraction form
    6,326.24/9,489.36 = 2,166.30/x
  3. Step 3: Cross multiply
    6,326.24x = 9,489.36 × 2,166.30
  4. Step 4: Simplify right side
    6,326.24x = 20,556,800.57
  5. Step 5: Solve for x
    x = 20,556,800.57/6,326.24
  6. Step 6: Final answer
    x = 3,249.45

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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.