Home / 5,266.98-7,900.47-1,371.38

Finding the Fourth Proportional to 5,266.98, 7,900.47 and 1,371.38

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Solution

The fourth proportional to 5,266.98, 7,900.47 and 1,371.38 is: 2,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.98 : 7,900.47 = 1,371.38 : x
  2. Step 2: Convert to fraction form
    5,266.98/7,900.47 = 1,371.38/x
  3. Step 3: Cross multiply
    5,266.98x = 7,900.47 × 1,371.38
  4. Step 4: Simplify right side
    5,266.98x = 10,834,507.05
  5. Step 5: Solve for x
    x = 10,834,507.05/5,266.98
  6. Step 6: Final answer
    x = 2,057.06

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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.