Home / 7,372.91-11,059.23-2,178.79

Finding the Fourth Proportional to 7,372.91, 11,059.23 and 2,178.79

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Solution

The fourth proportional to 7,372.91, 11,059.23 and 2,178.79 is: 3,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.91 : 11,059.23 = 2,178.79 : x
  2. Step 2: Convert to fraction form
    7,372.91/11,059.23 = 2,178.79/x
  3. Step 3: Cross multiply
    7,372.91x = 11,059.23 × 2,178.79
  4. Step 4: Simplify right side
    7,372.91x = 24,095,739.73
  5. Step 5: Solve for x
    x = 24,095,739.73/7,372.91
  6. Step 6: Final answer
    x = 3,268.15

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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.