Home / 5,623.36-8,436.48-1,727.80

Finding the Fourth Proportional to 5,623.36, 8,436.48 and 1,727.80

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Solution

The fourth proportional to 5,623.36, 8,436.48 and 1,727.80 is: 2,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.36 : 8,436.48 = 1,727.80 : x
  2. Step 2: Convert to fraction form
    5,623.36/8,436.48 = 1,727.80/x
  3. Step 3: Cross multiply
    5,623.36x = 8,436.48 × 1,727.80
  4. Step 4: Simplify right side
    5,623.36x = 14,576,550.14
  5. Step 5: Solve for x
    x = 14,576,550.14/5,623.36
  6. Step 6: Final answer
    x = 2,592.14

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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.