Home / 4,935.60-7,404.21-1,974.11

Finding the Fourth Proportional to 4,935.60, 7,404.21 and 1,974.11

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Solution

The fourth proportional to 4,935.60, 7,404.21 and 1,974.11 is: 2,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.60 : 7,404.21 = 1,974.11 : x
  2. Step 2: Convert to fraction form
    4,935.60/7,404.21 = 1,974.11/x
  3. Step 3: Cross multiply
    4,935.60x = 7,404.21 × 1,974.11
  4. Step 4: Simplify right side
    4,935.60x = 14,616,687.98
  5. Step 5: Solve for x
    x = 14,616,687.98/4,935.60
  6. Step 6: Final answer
    x = 2,961.48

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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.