Home / 5,266.76-7,895.26-1,982.03

Finding the Fourth Proportional to 5,266.76, 7,895.26 and 1,982.03

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Solution

The fourth proportional to 5,266.76, 7,895.26 and 1,982.03 is: 2,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.76 : 7,895.26 = 1,982.03 : x
  2. Step 2: Convert to fraction form
    5,266.76/7,895.26 = 1,982.03/x
  3. Step 3: Cross multiply
    5,266.76x = 7,895.26 × 1,982.03
  4. Step 4: Simplify right side
    5,266.76x = 15,648,632.27
  5. Step 5: Solve for x
    x = 15,648,632.27/5,266.76
  6. Step 6: Final answer
    x = 2,971.21

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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.