Home / 4,991.05-7,480.28-2,526.55

Finding the Fourth Proportional to 4,991.05, 7,480.28 and 2,526.55

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Solution

The fourth proportional to 4,991.05, 7,480.28 and 2,526.55 is: 3,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.05 : 7,480.28 = 2,526.55 : x
  2. Step 2: Convert to fraction form
    4,991.05/7,480.28 = 2,526.55/x
  3. Step 3: Cross multiply
    4,991.05x = 7,480.28 × 2,526.55
  4. Step 4: Simplify right side
    4,991.05x = 18,899,288.80
  5. Step 5: Solve for x
    x = 18,899,288.80/4,991.05
  6. Step 6: Final answer
    x = 3,786.64

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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.