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Finding the Fourth Proportional to 6,822.60, 10,225.60 and 3,853.68

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Solution

The fourth proportional to 6,822.60, 10,225.60 and 3,853.68 is: 5,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.60 : 10,225.60 = 3,853.68 : x
  2. Step 2: Convert to fraction form
    6,822.60/10,225.60 = 3,853.68/x
  3. Step 3: Cross multiply
    6,822.60x = 10,225.60 × 3,853.68
  4. Step 4: Simplify right side
    6,822.60x = 39,406,190.21
  5. Step 5: Solve for x
    x = 39,406,190.21/6,822.60
  6. Step 6: Final answer
    x = 5,775.83

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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.