Home / 4,266.20-6,393.30-3,390.20

Finding the Fourth Proportional to 4,266.20, 6,393.30 and 3,390.20

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Solution

The fourth proportional to 4,266.20, 6,393.30 and 3,390.20 is: 5,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.20 : 6,393.30 = 3,390.20 : x
  2. Step 2: Convert to fraction form
    4,266.20/6,393.30 = 3,390.20/x
  3. Step 3: Cross multiply
    4,266.20x = 6,393.30 × 3,390.20
  4. Step 4: Simplify right side
    4,266.20x = 21,674,565.66
  5. Step 5: Solve for x
    x = 21,674,565.66/4,266.20
  6. Step 6: Final answer
    x = 5,080.53

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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.