Home / 7,718.80-11,573.73-6,796.21

Finding the Fourth Proportional to 7,718.80, 11,573.73 and 6,796.21

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Solution

The fourth proportional to 7,718.80, 11,573.73 and 6,796.21 is: 10,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.80 : 11,573.73 = 6,796.21 : x
  2. Step 2: Convert to fraction form
    7,718.80/11,573.73 = 6,796.21/x
  3. Step 3: Cross multiply
    7,718.80x = 11,573.73 × 6,796.21
  4. Step 4: Simplify right side
    7,718.80x = 78,657,499.56
  5. Step 5: Solve for x
    x = 78,657,499.56/7,718.80
  6. Step 6: Final answer
    x = 10,190.38

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1.5x scale

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.