Home / 8,787.02-13,181.27-2,861.60

Finding the Fourth Proportional to 8,787.02, 13,181.27 and 2,861.60

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Solution

The fourth proportional to 8,787.02, 13,181.27 and 2,861.60 is: 4,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.02 : 13,181.27 = 2,861.60 : x
  2. Step 2: Convert to fraction form
    8,787.02/13,181.27 = 2,861.60/x
  3. Step 3: Cross multiply
    8,787.02x = 13,181.27 × 2,861.60
  4. Step 4: Simplify right side
    8,787.02x = 37,719,442.02
  5. Step 5: Solve for x
    x = 37,719,442.02/8,787.02
  6. Step 6: Final answer
    x = 4,292.63

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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.