Home / 7,723.09-11,575.31-3,557.39

Finding the Fourth Proportional to 7,723.09, 11,575.31 and 3,557.39

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Solution

The fourth proportional to 7,723.09, 11,575.31 and 3,557.39 is: 5,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.09 : 11,575.31 = 3,557.39 : x
  2. Step 2: Convert to fraction form
    7,723.09/11,575.31 = 3,557.39/x
  3. Step 3: Cross multiply
    7,723.09x = 11,575.31 × 3,557.39
  4. Step 4: Simplify right side
    7,723.09x = 41,177,892.04
  5. Step 5: Solve for x
    x = 41,177,892.04/7,723.09
  6. Step 6: Final answer
    x = 5,331.79

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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.