Home / 5,551.80-8,322.38-1,851.46

Finding the Fourth Proportional to 5,551.80, 8,322.38 and 1,851.46

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Solution

The fourth proportional to 5,551.80, 8,322.38 and 1,851.46 is: 2,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.80 : 8,322.38 = 1,851.46 : x
  2. Step 2: Convert to fraction form
    5,551.80/8,322.38 = 1,851.46/x
  3. Step 3: Cross multiply
    5,551.80x = 8,322.38 × 1,851.46
  4. Step 4: Simplify right side
    5,551.80x = 15,408,553.67
  5. Step 5: Solve for x
    x = 15,408,553.67/5,551.80
  6. Step 6: Final answer
    x = 2,775.42

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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.