Home / 7,967.88-11,957.96-5,519.84

Finding the Fourth Proportional to 7,967.88, 11,957.96 and 5,519.84

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Solution

The fourth proportional to 7,967.88, 11,957.96 and 5,519.84 is: 8,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.88 : 11,957.96 = 5,519.84 : x
  2. Step 2: Convert to fraction form
    7,967.88/11,957.96 = 5,519.84/x
  3. Step 3: Cross multiply
    7,967.88x = 11,957.96 × 5,519.84
  4. Step 4: Simplify right side
    7,967.88x = 66,006,025.93
  5. Step 5: Solve for x
    x = 66,006,025.93/7,967.88
  6. Step 6: Final answer
    x = 8,284.01

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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.