Home / 5,551.54-7,662.82-3,427.72

Finding the Fourth Proportional to 5,551.54, 7,662.82 and 3,427.72

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Solution

The fourth proportional to 5,551.54, 7,662.82 and 3,427.72 is: 4,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.54 : 7,662.82 = 3,427.72 : x
  2. Step 2: Convert to fraction form
    5,551.54/7,662.82 = 3,427.72/x
  3. Step 3: Cross multiply
    5,551.54x = 7,662.82 × 3,427.72
  4. Step 4: Simplify right side
    5,551.54x = 26,266,001.37
  5. Step 5: Solve for x
    x = 26,266,001.37/5,551.54
  6. Step 6: Final answer
    x = 4,731.30

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1.5x scale

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.