Home / 5,327.42-7,990.85-1,629.65

Finding the Fourth Proportional to 5,327.42, 7,990.85 and 1,629.65

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Solution

The fourth proportional to 5,327.42, 7,990.85 and 1,629.65 is: 2,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.42 : 7,990.85 = 1,629.65 : x
  2. Step 2: Convert to fraction form
    5,327.42/7,990.85 = 1,629.65/x
  3. Step 3: Cross multiply
    5,327.42x = 7,990.85 × 1,629.65
  4. Step 4: Simplify right side
    5,327.42x = 13,022,302.44
  5. Step 5: Solve for x
    x = 13,022,302.44/5,327.42
  6. Step 6: Final answer
    x = 2,444.39

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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.