Home / 4,153.20-6,228.32-1,687.44

Finding the Fourth Proportional to 4,153.20, 6,228.32 and 1,687.44

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Solution

The fourth proportional to 4,153.20, 6,228.32 and 1,687.44 is: 2,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.20 : 6,228.32 = 1,687.44 : x
  2. Step 2: Convert to fraction form
    4,153.20/6,228.32 = 1,687.44/x
  3. Step 3: Cross multiply
    4,153.20x = 6,228.32 × 1,687.44
  4. Step 4: Simplify right side
    4,153.20x = 10,509,916.30
  5. Step 5: Solve for x
    x = 10,509,916.30/4,153.20
  6. Step 6: Final answer
    x = 2,530.56

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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.