Home / 5,266.17-7,900.02-1,979.73

Finding the Fourth Proportional to 5,266.17, 7,900.02 and 1,979.73

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Solution

The fourth proportional to 5,266.17, 7,900.02 and 1,979.73 is: 2,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.17 : 7,900.02 = 1,979.73 : x
  2. Step 2: Convert to fraction form
    5,266.17/7,900.02 = 1,979.73/x
  3. Step 3: Cross multiply
    5,266.17x = 7,900.02 × 1,979.73
  4. Step 4: Simplify right side
    5,266.17x = 15,639,906.59
  5. Step 5: Solve for x
    x = 15,639,906.59/5,266.17
  6. Step 6: Final answer
    x = 2,969.88

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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.