Home / 4,427.62-6,642.58-1,961.85

Finding the Fourth Proportional to 4,427.62, 6,642.58 and 1,961.85

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Solution

The fourth proportional to 4,427.62, 6,642.58 and 1,961.85 is: 2,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.62 : 6,642.58 = 1,961.85 : x
  2. Step 2: Convert to fraction form
    4,427.62/6,642.58 = 1,961.85/x
  3. Step 3: Cross multiply
    4,427.62x = 6,642.58 × 1,961.85
  4. Step 4: Simplify right side
    4,427.62x = 13,031,774.77
  5. Step 5: Solve for x
    x = 13,031,774.77/4,427.62
  6. Step 6: Final answer
    x = 2,943.29

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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.