Home / 5,618.09-8,426.82-1,722.49

Finding the Fourth Proportional to 5,618.09, 8,426.82 and 1,722.49

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Solution

The fourth proportional to 5,618.09, 8,426.82 and 1,722.49 is: 2,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.09 : 8,426.82 = 1,722.49 : x
  2. Step 2: Convert to fraction form
    5,618.09/8,426.82 = 1,722.49/x
  3. Step 3: Cross multiply
    5,618.09x = 8,426.82 × 1,722.49
  4. Step 4: Simplify right side
    5,618.09x = 14,515,071.05
  5. Step 5: Solve for x
    x = 14,515,071.05/5,618.09
  6. Step 6: Final answer
    x = 2,583.63

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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.