Home / 7,858.26-11,788.74-2,662.92

Finding the Fourth Proportional to 7,858.26, 11,788.74 and 2,662.92

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Solution

The fourth proportional to 7,858.26, 11,788.74 and 2,662.92 is: 3,994.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.26 : 11,788.74 = 2,662.92 : x
  2. Step 2: Convert to fraction form
    7,858.26/11,788.74 = 2,662.92/x
  3. Step 3: Cross multiply
    7,858.26x = 11,788.74 × 2,662.92
  4. Step 4: Simplify right side
    7,858.26x = 31,392,471.52
  5. Step 5: Solve for x
    x = 31,392,471.52/7,858.26
  6. Step 6: Final answer
    x = 3,994.84

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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.