Home / 7,561.44-11,347.34-2,631.08

Finding the Fourth Proportional to 7,561.44, 11,347.34 and 2,631.08

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Solution

The fourth proportional to 7,561.44, 11,347.34 and 2,631.08 is: 3,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.44 : 11,347.34 = 2,631.08 : x
  2. Step 2: Convert to fraction form
    7,561.44/11,347.34 = 2,631.08/x
  3. Step 3: Cross multiply
    7,561.44x = 11,347.34 × 2,631.08
  4. Step 4: Simplify right side
    7,561.44x = 29,855,759.33
  5. Step 5: Solve for x
    x = 29,855,759.33/7,561.44
  6. Step 6: Final answer
    x = 3,948.42

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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.