Home / 4,418-6,626.82-1,297.88

Finding the Fourth Proportional to 4,418, 6,626.82 and 1,297.88

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Solution

The fourth proportional to 4,418, 6,626.82 and 1,297.88 is: 1,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418 : 6,626.82 = 1,297.88 : x
  2. Step 2: Convert to fraction form
    4,418/6,626.82 = 1,297.88/x
  3. Step 3: Cross multiply
    4,418x = 6,626.82 × 1,297.88
  4. Step 4: Simplify right side
    4,418x = 8,600,817.14
  5. Step 5: Solve for x
    x = 8,600,817.14/4,418
  6. Step 6: Final answer
    x = 1,946.77

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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.