Home / 4,427.16-6,640.38-2,577.09

Finding the Fourth Proportional to 4,427.16, 6,640.38 and 2,577.09

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Solution

The fourth proportional to 4,427.16, 6,640.38 and 2,577.09 is: 3,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.16 : 6,640.38 = 2,577.09 : x
  2. Step 2: Convert to fraction form
    4,427.16/6,640.38 = 2,577.09/x
  3. Step 3: Cross multiply
    4,427.16x = 6,640.38 × 2,577.09
  4. Step 4: Simplify right side
    4,427.16x = 17,112,856.89
  5. Step 5: Solve for x
    x = 17,112,856.89/4,427.16
  6. Step 6: Final answer
    x = 3,865.43

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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.