Home / 5,383.25-8,074.58-1,685.05

Finding the Fourth Proportional to 5,383.25, 8,074.58 and 1,685.05

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Solution

The fourth proportional to 5,383.25, 8,074.58 and 1,685.05 is: 2,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.25 : 8,074.58 = 1,685.05 : x
  2. Step 2: Convert to fraction form
    5,383.25/8,074.58 = 1,685.05/x
  3. Step 3: Cross multiply
    5,383.25x = 8,074.58 × 1,685.05
  4. Step 4: Simplify right side
    5,383.25x = 13,606,022.23
  5. Step 5: Solve for x
    x = 13,606,022.23/5,383.25
  6. Step 6: Final answer
    x = 2,527.47

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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.