Home / 4,787.54-7,181.36-1,975.74

Finding the Fourth Proportional to 4,787.54, 7,181.36 and 1,975.74

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Solution

The fourth proportional to 4,787.54, 7,181.36 and 1,975.74 is: 2,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.54 : 7,181.36 = 1,975.74 : x
  2. Step 2: Convert to fraction form
    4,787.54/7,181.36 = 1,975.74/x
  3. Step 3: Cross multiply
    4,787.54x = 7,181.36 × 1,975.74
  4. Step 4: Simplify right side
    4,787.54x = 14,188,500.21
  5. Step 5: Solve for x
    x = 14,188,500.21/4,787.54
  6. Step 6: Final answer
    x = 2,963.63

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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.