Home / 4,965.21-7,447.66-1,267.43

Finding the Fourth Proportional to 4,965.21, 7,447.66 and 1,267.43

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Solution

The fourth proportional to 4,965.21, 7,447.66 and 1,267.43 is: 1,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.21 : 7,447.66 = 1,267.43 : x
  2. Step 2: Convert to fraction form
    4,965.21/7,447.66 = 1,267.43/x
  3. Step 3: Cross multiply
    4,965.21x = 7,447.66 × 1,267.43
  4. Step 4: Simplify right side
    4,965.21x = 9,439,344.14
  5. Step 5: Solve for x
    x = 9,439,344.14/4,965.21
  6. Step 6: Final answer
    x = 1,901.10

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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.