Home / 7,787.40-10,743.86-4,994.44

Finding the Fourth Proportional to 7,787.40, 10,743.86 and 4,994.44

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Solution

The fourth proportional to 7,787.40, 10,743.86 and 4,994.44 is: 6,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.40 : 10,743.86 = 4,994.44 : x
  2. Step 2: Convert to fraction form
    7,787.40/10,743.86 = 4,994.44/x
  3. Step 3: Cross multiply
    7,787.40x = 10,743.86 × 4,994.44
  4. Step 4: Simplify right side
    7,787.40x = 53,659,564.14
  5. Step 5: Solve for x
    x = 53,659,564.14/7,787.40
  6. Step 6: Final answer
    x = 6,890.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.