Home / 5,426.09-8,138.60-3,682.29

Finding the Fourth Proportional to 5,426.09, 8,138.60 and 3,682.29

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Solution

The fourth proportional to 5,426.09, 8,138.60 and 3,682.29 is: 5,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.09 : 8,138.60 = 3,682.29 : x
  2. Step 2: Convert to fraction form
    5,426.09/8,138.60 = 3,682.29/x
  3. Step 3: Cross multiply
    5,426.09x = 8,138.60 × 3,682.29
  4. Step 4: Simplify right side
    5,426.09x = 29,968,666.98
  5. Step 5: Solve for x
    x = 29,968,666.98/5,426.09
  6. Step 6: Final answer
    x = 5,523.07

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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.