Home / 10,787.86-16,182.60-2,997.28

Finding the Fourth Proportional to 10,787.86, 16,182.60 and 2,997.28

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Solution

The fourth proportional to 10,787.86, 16,182.60 and 2,997.28 is: 4,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.86 : 16,182.60 = 2,997.28 : x
  2. Step 2: Convert to fraction form
    10,787.86/16,182.60 = 2,997.28/x
  3. Step 3: Cross multiply
    10,787.86x = 16,182.60 × 2,997.28
  4. Step 4: Simplify right side
    10,787.86x = 48,503,783.33
  5. Step 5: Solve for x
    x = 48,503,783.33/10,787.86
  6. Step 6: Final answer
    x = 4,496.15

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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.