Home / 4,157.66-6,236.85-1,384.35

Finding the Fourth Proportional to 4,157.66, 6,236.85 and 1,384.35

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Solution

The fourth proportional to 4,157.66, 6,236.85 and 1,384.35 is: 2,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.66 : 6,236.85 = 1,384.35 : x
  2. Step 2: Convert to fraction form
    4,157.66/6,236.85 = 1,384.35/x
  3. Step 3: Cross multiply
    4,157.66x = 6,236.85 × 1,384.35
  4. Step 4: Simplify right side
    4,157.66x = 8,633,983.30
  5. Step 5: Solve for x
    x = 8,633,983.30/4,157.66
  6. Step 6: Final answer
    x = 2,076.65

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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.