Home / 4,787.68-6,606.66-2,692.12

Finding the Fourth Proportional to 4,787.68, 6,606.66 and 2,692.12

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Solution

The fourth proportional to 4,787.68, 6,606.66 and 2,692.12 is: 3,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.68 : 6,606.66 = 2,692.12 : x
  2. Step 2: Convert to fraction form
    4,787.68/6,606.66 = 2,692.12/x
  3. Step 3: Cross multiply
    4,787.68x = 6,606.66 × 2,692.12
  4. Step 4: Simplify right side
    4,787.68x = 17,785,921.52
  5. Step 5: Solve for x
    x = 17,785,921.52/4,787.68
  6. Step 6: Final answer
    x = 3,714.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.