Home / 5,623.82-8,434.98-1,727.90

Finding the Fourth Proportional to 5,623.82, 8,434.98 and 1,727.90

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Solution

The fourth proportional to 5,623.82, 8,434.98 and 1,727.90 is: 2,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.82 : 8,434.98 = 1,727.90 : x
  2. Step 2: Convert to fraction form
    5,623.82/8,434.98 = 1,727.90/x
  3. Step 3: Cross multiply
    5,623.82x = 8,434.98 × 1,727.90
  4. Step 4: Simplify right side
    5,623.82x = 14,574,801.94
  5. Step 5: Solve for x
    x = 14,574,801.94/5,623.82
  6. Step 6: Final answer
    x = 2,591.62

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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.