Home / 8,787.98-13,181.97-2,944.60

Finding the Fourth Proportional to 8,787.98, 13,181.97 and 2,944.60

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Solution

The fourth proportional to 8,787.98, 13,181.97 and 2,944.60 is: 4,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.98 : 13,181.97 = 2,944.60 : x
  2. Step 2: Convert to fraction form
    8,787.98/13,181.97 = 2,944.60/x
  3. Step 3: Cross multiply
    8,787.98x = 13,181.97 × 2,944.60
  4. Step 4: Simplify right side
    8,787.98x = 38,815,628.86
  5. Step 5: Solve for x
    x = 38,815,628.86/8,787.98
  6. Step 6: Final answer
    x = 4,416.90

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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.