Home / 5,622.36-8,427.12-3,426.22

Finding the Fourth Proportional to 5,622.36, 8,427.12 and 3,426.22

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Solution

The fourth proportional to 5,622.36, 8,427.12 and 3,426.22 is: 5,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.36 : 8,427.12 = 3,426.22 : x
  2. Step 2: Convert to fraction form
    5,622.36/8,427.12 = 3,426.22/x
  3. Step 3: Cross multiply
    5,622.36x = 8,427.12 × 3,426.22
  4. Step 4: Simplify right side
    5,622.36x = 28,873,167.09
  5. Step 5: Solve for x
    x = 28,873,167.09/5,622.36
  6. Step 6: Final answer
    x = 5,135.42

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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.