Home / 5,426.58-8,139.26-3,682.79

Finding the Fourth Proportional to 5,426.58, 8,139.26 and 3,682.79

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Solution

The fourth proportional to 5,426.58, 8,139.26 and 3,682.79 is: 5,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.58 : 8,139.26 = 3,682.79 : x
  2. Step 2: Convert to fraction form
    5,426.58/8,139.26 = 3,682.79/x
  3. Step 3: Cross multiply
    5,426.58x = 8,139.26 × 3,682.79
  4. Step 4: Simplify right side
    5,426.58x = 29,975,126.23
  5. Step 5: Solve for x
    x = 29,975,126.23/5,426.58
  6. Step 6: Final answer
    x = 5,523.76

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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.