Home / 5,327.58-7,991.39-1,629.79

Finding the Fourth Proportional to 5,327.58, 7,991.39 and 1,629.79

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Solution

The fourth proportional to 5,327.58, 7,991.39 and 1,629.79 is: 2,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.58 : 7,991.39 = 1,629.79 : x
  2. Step 2: Convert to fraction form
    5,327.58/7,991.39 = 1,629.79/x
  3. Step 3: Cross multiply
    5,327.58x = 7,991.39 × 1,629.79
  4. Step 4: Simplify right side
    5,327.58x = 13,024,287.51
  5. Step 5: Solve for x
    x = 13,024,287.51/5,327.58
  6. Step 6: Final answer
    x = 2,444.69

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1.5x scale

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.