Home / 5,490.44-7,577.40-3,603.54

Finding the Fourth Proportional to 5,490.44, 7,577.40 and 3,603.54

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Solution

The fourth proportional to 5,490.44, 7,577.40 and 3,603.54 is: 4,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.44 : 7,577.40 = 3,603.54 : x
  2. Step 2: Convert to fraction form
    5,490.44/7,577.40 = 3,603.54/x
  3. Step 3: Cross multiply
    5,490.44x = 7,577.40 × 3,603.54
  4. Step 4: Simplify right side
    5,490.44x = 27,305,464.00
  5. Step 5: Solve for x
    x = 27,305,464.00/5,490.44
  6. Step 6: Final answer
    x = 4,973.27

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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.