Home / 7,643.13-11,462.77-2,961.53

Finding the Fourth Proportional to 7,643.13, 11,462.77 and 2,961.53

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Solution

The fourth proportional to 7,643.13, 11,462.77 and 2,961.53 is: 4,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.13 : 11,462.77 = 2,961.53 : x
  2. Step 2: Convert to fraction form
    7,643.13/11,462.77 = 2,961.53/x
  3. Step 3: Cross multiply
    7,643.13x = 11,462.77 × 2,961.53
  4. Step 4: Simplify right side
    7,643.13x = 33,947,369.60
  5. Step 5: Solve for x
    x = 33,947,369.60/7,643.13
  6. Step 6: Final answer
    x = 4,441.55

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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.