Home / 5,266.81-7,268.06-2,908.90

Finding the Fourth Proportional to 5,266.81, 7,268.06 and 2,908.90

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Solution

The fourth proportional to 5,266.81, 7,268.06 and 2,908.90 is: 4,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.81 : 7,268.06 = 2,908.90 : x
  2. Step 2: Convert to fraction form
    5,266.81/7,268.06 = 2,908.90/x
  3. Step 3: Cross multiply
    5,266.81x = 7,268.06 × 2,908.90
  4. Step 4: Simplify right side
    5,266.81x = 21,142,059.73
  5. Step 5: Solve for x
    x = 21,142,059.73/5,266.81
  6. Step 6: Final answer
    x = 4,014.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.