Home / 7,976.28-11,965.88-2,429.00

Finding the Fourth Proportional to 7,976.28, 11,965.88 and 2,429.00

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Solution

The fourth proportional to 7,976.28, 11,965.88 and 2,429.00 is: 3,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.28 : 11,965.88 = 2,429.00 : x
  2. Step 2: Convert to fraction form
    7,976.28/11,965.88 = 2,429.00/x
  3. Step 3: Cross multiply
    7,976.28x = 11,965.88 × 2,429.00
  4. Step 4: Simplify right side
    7,976.28x = 29,065,050.55
  5. Step 5: Solve for x
    x = 29,065,050.55/7,976.28
  6. Step 6: Final answer
    x = 3,643.94

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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.