Home / 9,158.38-13,739.68-3,893.56

Finding the Fourth Proportional to 9,158.38, 13,739.68 and 3,893.56

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Solution

The fourth proportional to 9,158.38, 13,739.68 and 3,893.56 is: 5,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.38 : 13,739.68 = 3,893.56 : x
  2. Step 2: Convert to fraction form
    9,158.38/13,739.68 = 3,893.56/x
  3. Step 3: Cross multiply
    9,158.38x = 13,739.68 × 3,893.56
  4. Step 4: Simplify right side
    9,158.38x = 53,496,268.46
  5. Step 5: Solve for x
    x = 53,496,268.46/9,158.38
  6. Step 6: Final answer
    x = 5,841.24

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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.