Home / 8,787.75-13,181.79-4,106.48

Finding the Fourth Proportional to 8,787.75, 13,181.79 and 4,106.48

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Solution

The fourth proportional to 8,787.75, 13,181.79 and 4,106.48 is: 6,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.75 : 13,181.79 = 4,106.48 : x
  2. Step 2: Convert to fraction form
    8,787.75/13,181.79 = 4,106.48/x
  3. Step 3: Cross multiply
    8,787.75x = 13,181.79 × 4,106.48
  4. Step 4: Simplify right side
    8,787.75x = 54,130,691.09
  5. Step 5: Solve for x
    x = 54,130,691.09/8,787.75
  6. Step 6: Final answer
    x = 6,159.79

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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.