Home / 5,436.82-8,155.08-1,739.02

Finding the Fourth Proportional to 5,436.82, 8,155.08 and 1,739.02

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Solution

The fourth proportional to 5,436.82, 8,155.08 and 1,739.02 is: 2,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.82 : 8,155.08 = 1,739.02 : x
  2. Step 2: Convert to fraction form
    5,436.82/8,155.08 = 1,739.02/x
  3. Step 3: Cross multiply
    5,436.82x = 8,155.08 × 1,739.02
  4. Step 4: Simplify right side
    5,436.82x = 14,181,847.22
  5. Step 5: Solve for x
    x = 14,181,847.22/5,436.82
  6. Step 6: Final answer
    x = 2,608.48

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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.