Home / 4,718.33-7,074.40-2,638.55

Finding the Fourth Proportional to 4,718.33, 7,074.40 and 2,638.55

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Solution

The fourth proportional to 4,718.33, 7,074.40 and 2,638.55 is: 3,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.33 : 7,074.40 = 2,638.55 : x
  2. Step 2: Convert to fraction form
    4,718.33/7,074.40 = 2,638.55/x
  3. Step 3: Cross multiply
    4,718.33x = 7,074.40 × 2,638.55
  4. Step 4: Simplify right side
    4,718.33x = 18,666,169.21
  5. Step 5: Solve for x
    x = 18,666,169.21/4,718.33
  6. Step 6: Final answer
    x = 3,956.09

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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.