Home / 6,822.40-10,233.60-4,489.60

Finding the Fourth Proportional to 6,822.40, 10,233.60 and 4,489.60

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Solution

The fourth proportional to 6,822.40, 10,233.60 and 4,489.60 is: 6,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.40 : 10,233.60 = 4,489.60 : x
  2. Step 2: Convert to fraction form
    6,822.40/10,233.60 = 4,489.60/x
  3. Step 3: Cross multiply
    6,822.40x = 10,233.60 × 4,489.60
  4. Step 4: Simplify right side
    6,822.40x = 45,944,770.56
  5. Step 5: Solve for x
    x = 45,944,770.56/6,822.40
  6. Step 6: Final answer
    x = 6,734.40

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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.