Home / 5,617.38-8,426.34-1,722.09

Finding the Fourth Proportional to 5,617.38, 8,426.34 and 1,722.09

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Solution

The fourth proportional to 5,617.38, 8,426.34 and 1,722.09 is: 2,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.38 : 8,426.34 = 1,722.09 : x
  2. Step 2: Convert to fraction form
    5,617.38/8,426.34 = 1,722.09/x
  3. Step 3: Cross multiply
    5,617.38x = 8,426.34 × 1,722.09
  4. Step 4: Simplify right side
    5,617.38x = 14,510,915.85
  5. Step 5: Solve for x
    x = 14,510,915.85/5,617.38
  6. Step 6: Final answer
    x = 2,583.22

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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.