Home / 8,335.55-12,503.54-2,787.86

Finding the Fourth Proportional to 8,335.55, 12,503.54 and 2,787.86

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Solution

The fourth proportional to 8,335.55, 12,503.54 and 2,787.86 is: 4,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.55 : 12,503.54 = 2,787.86 : x
  2. Step 2: Convert to fraction form
    8,335.55/12,503.54 = 2,787.86/x
  3. Step 3: Cross multiply
    8,335.55x = 12,503.54 × 2,787.86
  4. Step 4: Simplify right side
    8,335.55x = 34,858,042.57
  5. Step 5: Solve for x
    x = 34,858,042.57/8,335.55
  6. Step 6: Final answer
    x = 4,181.86

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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.