Home / 6,823.20-10,234.80-6,693.60

Finding the Fourth Proportional to 6,823.20, 10,234.80 and 6,693.60

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Solution

The fourth proportional to 6,823.20, 10,234.80 and 6,693.60 is: 10,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.20 : 10,234.80 = 6,693.60 : x
  2. Step 2: Convert to fraction form
    6,823.20/10,234.80 = 6,693.60/x
  3. Step 3: Cross multiply
    6,823.20x = 10,234.80 × 6,693.60
  4. Step 4: Simplify right side
    6,823.20x = 68,507,657.28
  5. Step 5: Solve for x
    x = 68,507,657.28/6,823.20
  6. Step 6: Final answer
    x = 10,040.40

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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.