Home / 6,723.30-9,277.83-3,890.19

Finding the Fourth Proportional to 6,723.30, 9,277.83 and 3,890.19

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Solution

The fourth proportional to 6,723.30, 9,277.83 and 3,890.19 is: 5,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.30 : 9,277.83 = 3,890.19 : x
  2. Step 2: Convert to fraction form
    6,723.30/9,277.83 = 3,890.19/x
  3. Step 3: Cross multiply
    6,723.30x = 9,277.83 × 3,890.19
  4. Step 4: Simplify right side
    6,723.30x = 36,092,521.49
  5. Step 5: Solve for x
    x = 36,092,521.49/6,723.30
  6. Step 6: Final answer
    x = 5,368.27

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.