Home / 4,664.70-6,997.41-1,377.72

Finding the Fourth Proportional to 4,664.70, 6,997.41 and 1,377.72

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Solution

The fourth proportional to 4,664.70, 6,997.41 and 1,377.72 is: 2,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.70 : 6,997.41 = 1,377.72 : x
  2. Step 2: Convert to fraction form
    4,664.70/6,997.41 = 1,377.72/x
  3. Step 3: Cross multiply
    4,664.70x = 6,997.41 × 1,377.72
  4. Step 4: Simplify right side
    4,664.70x = 9,640,471.71
  5. Step 5: Solve for x
    x = 9,640,471.71/4,664.70
  6. Step 6: Final answer
    x = 2,066.69

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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.