Home / 7,976.21-11,005.27-5,991.50

Finding the Fourth Proportional to 7,976.21, 11,005.27 and 5,991.50

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Solution

The fourth proportional to 7,976.21, 11,005.27 and 5,991.50 is: 8,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.21 : 11,005.27 = 5,991.50 : x
  2. Step 2: Convert to fraction form
    7,976.21/11,005.27 = 5,991.50/x
  3. Step 3: Cross multiply
    7,976.21x = 11,005.27 × 5,991.50
  4. Step 4: Simplify right side
    7,976.21x = 65,938,087.74
  5. Step 5: Solve for x
    x = 65,938,087.74/7,976.21
  6. Step 6: Final answer
    x = 8,266.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.