Home / 6,922.40-10,372.20-3,995.60

Finding the Fourth Proportional to 6,922.40, 10,372.20 and 3,995.60

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Solution

The fourth proportional to 6,922.40, 10,372.20 and 3,995.60 is: 5,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.40 : 10,372.20 = 3,995.60 : x
  2. Step 2: Convert to fraction form
    6,922.40/10,372.20 = 3,995.60/x
  3. Step 3: Cross multiply
    6,922.40x = 10,372.20 × 3,995.60
  4. Step 4: Simplify right side
    6,922.40x = 41,443,162.32
  5. Step 5: Solve for x
    x = 41,443,162.32/6,922.40
  6. Step 6: Final answer
    x = 5,986.82

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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.