Home / 4,889.38-7,334.08-1,379.36

Finding the Fourth Proportional to 4,889.38, 7,334.08 and 1,379.36

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Solution

The fourth proportional to 4,889.38, 7,334.08 and 1,379.36 is: 2,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.38 : 7,334.08 = 1,379.36 : x
  2. Step 2: Convert to fraction form
    4,889.38/7,334.08 = 1,379.36/x
  3. Step 3: Cross multiply
    4,889.38x = 7,334.08 × 1,379.36
  4. Step 4: Simplify right side
    4,889.38x = 10,116,336.59
  5. Step 5: Solve for x
    x = 10,116,336.59/4,889.38
  6. Step 6: Final answer
    x = 2,069.04

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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.