Home / 6,902.20-10,353.30-2,285.20

Finding the Fourth Proportional to 6,902.20, 10,353.30 and 2,285.20

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Solution

The fourth proportional to 6,902.20, 10,353.30 and 2,285.20 is: 3,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.20 : 10,353.30 = 2,285.20 : x
  2. Step 2: Convert to fraction form
    6,902.20/10,353.30 = 2,285.20/x
  3. Step 3: Cross multiply
    6,902.20x = 10,353.30 × 2,285.20
  4. Step 4: Simplify right side
    6,902.20x = 23,659,361.16
  5. Step 5: Solve for x
    x = 23,659,361.16/6,902.20
  6. Step 6: Final answer
    x = 3,427.80

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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.