Home / 7,787.40-11,651.94-4,327.08

Finding the Fourth Proportional to 7,787.40, 11,651.94 and 4,327.08

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Solution

The fourth proportional to 7,787.40, 11,651.94 and 4,327.08 is: 6,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.40 : 11,651.94 = 4,327.08 : x
  2. Step 2: Convert to fraction form
    7,787.40/11,651.94 = 4,327.08/x
  3. Step 3: Cross multiply
    7,787.40x = 11,651.94 × 4,327.08
  4. Step 4: Simplify right side
    7,787.40x = 50,418,876.54
  5. Step 5: Solve for x
    x = 50,418,876.54/7,787.40
  6. Step 6: Final answer
    x = 6,474.42

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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.