Home / 5,266.66-7,898.31-2,146.66

Finding the Fourth Proportional to 5,266.66, 7,898.31 and 2,146.66

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Solution

The fourth proportional to 5,266.66, 7,898.31 and 2,146.66 is: 3,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.66 : 7,898.31 = 2,146.66 : x
  2. Step 2: Convert to fraction form
    5,266.66/7,898.31 = 2,146.66/x
  3. Step 3: Cross multiply
    5,266.66x = 7,898.31 × 2,146.66
  4. Step 4: Simplify right side
    5,266.66x = 16,954,986.14
  5. Step 5: Solve for x
    x = 16,954,986.14/5,266.66
  6. Step 6: Final answer
    x = 3,219.31

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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.