Home / 6,799.20-9,381.48-4,003.20

Finding the Fourth Proportional to 6,799.20, 9,381.48 and 4,003.20

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Solution

The fourth proportional to 6,799.20, 9,381.48 and 4,003.20 is: 5,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.20 : 9,381.48 = 4,003.20 : x
  2. Step 2: Convert to fraction form
    6,799.20/9,381.48 = 4,003.20/x
  3. Step 3: Cross multiply
    6,799.20x = 9,381.48 × 4,003.20
  4. Step 4: Simplify right side
    6,799.20x = 37,555,940.74
  5. Step 5: Solve for x
    x = 37,555,940.74/6,799.20
  6. Step 6: Final answer
    x = 5,523.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.