Home / 5,424.35-7,485.62-3,066.49

Finding the Fourth Proportional to 5,424.35, 7,485.62 and 3,066.49

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Solution

The fourth proportional to 5,424.35, 7,485.62 and 3,066.49 is: 4,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.35 : 7,485.62 = 3,066.49 : x
  2. Step 2: Convert to fraction form
    5,424.35/7,485.62 = 3,066.49/x
  3. Step 3: Cross multiply
    5,424.35x = 7,485.62 × 3,066.49
  4. Step 4: Simplify right side
    5,424.35x = 22,954,572.90
  5. Step 5: Solve for x
    x = 22,954,572.90/5,424.35
  6. Step 6: Final answer
    x = 4,231.76

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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.