Home / 4,228.31-6,343.41-1,266.64

Finding the Fourth Proportional to 4,228.31, 6,343.41 and 1,266.64

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Solution

The fourth proportional to 4,228.31, 6,343.41 and 1,266.64 is: 1,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.31 : 6,343.41 = 1,266.64 : x
  2. Step 2: Convert to fraction form
    4,228.31/6,343.41 = 1,266.64/x
  3. Step 3: Cross multiply
    4,228.31x = 6,343.41 × 1,266.64
  4. Step 4: Simplify right side
    4,228.31x = 8,034,798.61
  5. Step 5: Solve for x
    x = 8,034,798.61/4,228.31
  6. Step 6: Final answer
    x = 1,900.24

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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.