Home / 4,069.22-5,618.21-2,636.28

Finding the Fourth Proportional to 4,069.22, 5,618.21 and 2,636.28

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Solution

The fourth proportional to 4,069.22, 5,618.21 and 2,636.28 is: 3,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.22 : 5,618.21 = 2,636.28 : x
  2. Step 2: Convert to fraction form
    4,069.22/5,618.21 = 2,636.28/x
  3. Step 3: Cross multiply
    4,069.22x = 5,618.21 × 2,636.28
  4. Step 4: Simplify right side
    4,069.22x = 14,811,161.48
  5. Step 5: Solve for x
    x = 14,811,161.48/4,069.22
  6. Step 6: Final answer
    x = 3,639.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.