Home / 5,616.22-8,424.33-2,154.28

Finding the Fourth Proportional to 5,616.22, 8,424.33 and 2,154.28

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Solution

The fourth proportional to 5,616.22, 8,424.33 and 2,154.28 is: 3,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.22 : 8,424.33 = 2,154.28 : x
  2. Step 2: Convert to fraction form
    5,616.22/8,424.33 = 2,154.28/x
  3. Step 3: Cross multiply
    5,616.22x = 8,424.33 × 2,154.28
  4. Step 4: Simplify right side
    5,616.22x = 18,148,365.63
  5. Step 5: Solve for x
    x = 18,148,365.63/5,616.22
  6. Step 6: Final answer
    x = 3,231.42

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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.