Home / 7,822.95-11,727.30-2,891.34

Finding the Fourth Proportional to 7,822.95, 11,727.30 and 2,891.34

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Solution

The fourth proportional to 7,822.95, 11,727.30 and 2,891.34 is: 4,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.95 : 11,727.30 = 2,891.34 : x
  2. Step 2: Convert to fraction form
    7,822.95/11,727.30 = 2,891.34/x
  3. Step 3: Cross multiply
    7,822.95x = 11,727.30 × 2,891.34
  4. Step 4: Simplify right side
    7,822.95x = 33,907,611.58
  5. Step 5: Solve for x
    x = 33,907,611.58/7,822.95
  6. Step 6: Final answer
    x = 4,334.38

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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.