Home / 7,942.01-11,889.62-5,871.25

Finding the Fourth Proportional to 7,942.01, 11,889.62 and 5,871.25

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Solution

The fourth proportional to 7,942.01, 11,889.62 and 5,871.25 is: 8,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.01 : 11,889.62 = 5,871.25 : x
  2. Step 2: Convert to fraction form
    7,942.01/11,889.62 = 5,871.25/x
  3. Step 3: Cross multiply
    7,942.01x = 11,889.62 × 5,871.25
  4. Step 4: Simplify right side
    7,942.01x = 69,806,842.62
  5. Step 5: Solve for x
    x = 69,806,842.62/7,942.01
  6. Step 6: Final answer
    x = 8,789.57

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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.