Home / 7,808.44-10,777.22-5,423.39

Finding the Fourth Proportional to 7,808.44, 10,777.22 and 5,423.39

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Solution

The fourth proportional to 7,808.44, 10,777.22 and 5,423.39 is: 7,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.44 : 10,777.22 = 5,423.39 : x
  2. Step 2: Convert to fraction form
    7,808.44/10,777.22 = 5,423.39/x
  3. Step 3: Cross multiply
    7,808.44x = 10,777.22 × 5,423.39
  4. Step 4: Simplify right side
    7,808.44x = 58,449,067.18
  5. Step 5: Solve for x
    x = 58,449,067.18/7,808.44
  6. Step 6: Final answer
    x = 7,485.37

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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.