Home / 4,919.35-6,787.83-2,929.58

Finding the Fourth Proportional to 4,919.35, 6,787.83 and 2,929.58

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Solution

The fourth proportional to 4,919.35, 6,787.83 and 2,929.58 is: 4,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.35 : 6,787.83 = 2,929.58 : x
  2. Step 2: Convert to fraction form
    4,919.35/6,787.83 = 2,929.58/x
  3. Step 3: Cross multiply
    4,919.35x = 6,787.83 × 2,929.58
  4. Step 4: Simplify right side
    4,919.35x = 19,885,491.01
  5. Step 5: Solve for x
    x = 19,885,491.01/4,919.35
  6. Step 6: Final answer
    x = 4,042.30

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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.