Home / 4,215.53-6,323.33-2,763.88

Finding the Fourth Proportional to 4,215.53, 6,323.33 and 2,763.88

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Solution

The fourth proportional to 4,215.53, 6,323.33 and 2,763.88 is: 4,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.53 : 6,323.33 = 2,763.88 : x
  2. Step 2: Convert to fraction form
    4,215.53/6,323.33 = 2,763.88/x
  3. Step 3: Cross multiply
    4,215.53x = 6,323.33 × 2,763.88
  4. Step 4: Simplify right side
    4,215.53x = 17,476,916.42
  5. Step 5: Solve for x
    x = 17,476,916.42/4,215.53
  6. Step 6: Final answer
    x = 4,145.84

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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.