Home / 4,523.76-6,787.67-2,678.49

Finding the Fourth Proportional to 4,523.76, 6,787.67 and 2,678.49

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Solution

The fourth proportional to 4,523.76, 6,787.67 and 2,678.49 is: 4,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,523.76 : 6,787.67 = 2,678.49 : x
  2. Step 2: Convert to fraction form
    4,523.76/6,787.67 = 2,678.49/x
  3. Step 3: Cross multiply
    4,523.76x = 6,787.67 × 2,678.49
  4. Step 4: Simplify right side
    4,523.76x = 18,180,692.83
  5. Step 5: Solve for x
    x = 18,180,692.83/4,523.76
  6. Step 6: Final answer
    x = 4,018.93

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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.