Home / 8,336.28-12,500.04-2,787.60

Finding the Fourth Proportional to 8,336.28, 12,500.04 and 2,787.60

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Solution

The fourth proportional to 8,336.28, 12,500.04 and 2,787.60 is: 4,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.28 : 12,500.04 = 2,787.60 : x
  2. Step 2: Convert to fraction form
    8,336.28/12,500.04 = 2,787.60/x
  3. Step 3: Cross multiply
    8,336.28x = 12,500.04 × 2,787.60
  4. Step 4: Simplify right side
    8,336.28x = 34,845,111.50
  5. Step 5: Solve for x
    x = 34,845,111.50/8,336.28
  6. Step 6: Final answer
    x = 4,179.94

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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.