Home / 4,252.20-6,377.85-1,330.35

Finding the Fourth Proportional to 4,252.20, 6,377.85 and 1,330.35

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Solution

The fourth proportional to 4,252.20, 6,377.85 and 1,330.35 is: 1,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.20 : 6,377.85 = 1,330.35 : x
  2. Step 2: Convert to fraction form
    4,252.20/6,377.85 = 1,330.35/x
  3. Step 3: Cross multiply
    4,252.20x = 6,377.85 × 1,330.35
  4. Step 4: Simplify right side
    4,252.20x = 8,484,772.75
  5. Step 5: Solve for x
    x = 8,484,772.75/4,252.20
  6. Step 6: Final answer
    x = 1,995.38

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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.