Home / 7,860.98-11,789.75-2,314.71

Finding the Fourth Proportional to 7,860.98, 11,789.75 and 2,314.71

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Solution

The fourth proportional to 7,860.98, 11,789.75 and 2,314.71 is: 3,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.98 : 11,789.75 = 2,314.71 : x
  2. Step 2: Convert to fraction form
    7,860.98/11,789.75 = 2,314.71/x
  3. Step 3: Cross multiply
    7,860.98x = 11,789.75 × 2,314.71
  4. Step 4: Simplify right side
    7,860.98x = 27,289,858.01
  5. Step 5: Solve for x
    x = 27,289,858.01/7,860.98
  6. Step 6: Final answer
    x = 3,471.56

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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.