Home / 6,787.82-10,178.50-2,629.77

Finding the Fourth Proportional to 6,787.82, 10,178.50 and 2,629.77

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Solution

The fourth proportional to 6,787.82, 10,178.50 and 2,629.77 is: 3,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.82 : 10,178.50 = 2,629.77 : x
  2. Step 2: Convert to fraction form
    6,787.82/10,178.50 = 2,629.77/x
  3. Step 3: Cross multiply
    6,787.82x = 10,178.50 × 2,629.77
  4. Step 4: Simplify right side
    6,787.82x = 26,767,113.95
  5. Step 5: Solve for x
    x = 26,767,113.95/6,787.82
  6. Step 6: Final answer
    x = 3,943.40

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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.