Home / 5,327.61-7,991.01-1,629.84

Finding the Fourth Proportional to 5,327.61, 7,991.01 and 1,629.84

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Solution

The fourth proportional to 5,327.61, 7,991.01 and 1,629.84 is: 2,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.61 : 7,991.01 = 1,629.84 : x
  2. Step 2: Convert to fraction form
    5,327.61/7,991.01 = 1,629.84/x
  3. Step 3: Cross multiply
    5,327.61x = 7,991.01 × 1,629.84
  4. Step 4: Simplify right side
    5,327.61x = 13,024,067.74
  5. Step 5: Solve for x
    x = 13,024,067.74/5,327.61
  6. Step 6: Final answer
    x = 2,444.64

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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.