Home / 4,228.64-6,340.96-1,265.94

Finding the Fourth Proportional to 4,228.64, 6,340.96 and 1,265.94

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Solution

The fourth proportional to 4,228.64, 6,340.96 and 1,265.94 is: 1,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.64 : 6,340.96 = 1,265.94 : x
  2. Step 2: Convert to fraction form
    4,228.64/6,340.96 = 1,265.94/x
  3. Step 3: Cross multiply
    4,228.64x = 6,340.96 × 1,265.94
  4. Step 4: Simplify right side
    4,228.64x = 8,027,274.90
  5. Step 5: Solve for x
    x = 8,027,274.90/4,228.64
  6. Step 6: Final answer
    x = 1,898.31

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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.