Home / 7,857.76-11,788.62-2,927.56

Finding the Fourth Proportional to 7,857.76, 11,788.62 and 2,927.56

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Solution

The fourth proportional to 7,857.76, 11,788.62 and 2,927.56 is: 4,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.76 : 11,788.62 = 2,927.56 : x
  2. Step 2: Convert to fraction form
    7,857.76/11,788.62 = 2,927.56/x
  3. Step 3: Cross multiply
    7,857.76x = 11,788.62 × 2,927.56
  4. Step 4: Simplify right side
    7,857.76x = 34,511,892.37
  5. Step 5: Solve for x
    x = 34,511,892.37/7,857.76
  6. Step 6: Final answer
    x = 4,392.08

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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.