Home / 4,266.86-6,399.80-1,343.56

Finding the Fourth Proportional to 4,266.86, 6,399.80 and 1,343.56

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Solution

The fourth proportional to 4,266.86, 6,399.80 and 1,343.56 is: 2,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.86 : 6,399.80 = 1,343.56 : x
  2. Step 2: Convert to fraction form
    4,266.86/6,399.80 = 1,343.56/x
  3. Step 3: Cross multiply
    4,266.86x = 6,399.80 × 1,343.56
  4. Step 4: Simplify right side
    4,266.86x = 8,598,515.29
  5. Step 5: Solve for x
    x = 8,598,515.29/4,266.86
  6. Step 6: Final answer
    x = 2,015.19

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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.