Home / 4,247.64-6,374.70-1,650.78

Finding the Fourth Proportional to 4,247.64, 6,374.70 and 1,650.78

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Solution

The fourth proportional to 4,247.64, 6,374.70 and 1,650.78 is: 2,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.64 : 6,374.70 = 1,650.78 : x
  2. Step 2: Convert to fraction form
    4,247.64/6,374.70 = 1,650.78/x
  3. Step 3: Cross multiply
    4,247.64x = 6,374.70 × 1,650.78
  4. Step 4: Simplify right side
    4,247.64x = 10,523,227.27
  5. Step 5: Solve for x
    x = 10,523,227.27/4,247.64
  6. Step 6: Final answer
    x = 2,477.43

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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.