Home / 6,823.20-10,232.40-2,440.80

Finding the Fourth Proportional to 6,823.20, 10,232.40 and 2,440.80

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Solution

The fourth proportional to 6,823.20, 10,232.40 and 2,440.80 is: 3,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.20 : 10,232.40 = 2,440.80 : x
  2. Step 2: Convert to fraction form
    6,823.20/10,232.40 = 2,440.80/x
  3. Step 3: Cross multiply
    6,823.20x = 10,232.40 × 2,440.80
  4. Step 4: Simplify right side
    6,823.20x = 24,975,241.92
  5. Step 5: Solve for x
    x = 24,975,241.92/6,823.20
  6. Step 6: Final answer
    x = 3,660.34

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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.