Home / 5,428.31-8,133.52-4,974.37

Finding the Fourth Proportional to 5,428.31, 8,133.52 and 4,974.37

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Solution

The fourth proportional to 5,428.31, 8,133.52 and 4,974.37 is: 7,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.31 : 8,133.52 = 4,974.37 : x
  2. Step 2: Convert to fraction form
    5,428.31/8,133.52 = 4,974.37/x
  3. Step 3: Cross multiply
    5,428.31x = 8,133.52 × 4,974.37
  4. Step 4: Simplify right side
    5,428.31x = 40,459,193.67
  5. Step 5: Solve for x
    x = 40,459,193.67/5,428.31
  6. Step 6: Final answer
    x = 7,453.37

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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.