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Finding the Fourth Proportional to 5,593.67, 7,719.44 and 3,075.87

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Solution

The fourth proportional to 5,593.67, 7,719.44 and 3,075.87 is: 4,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.67 : 7,719.44 = 3,075.87 : x
  2. Step 2: Convert to fraction form
    5,593.67/7,719.44 = 3,075.87/x
  3. Step 3: Cross multiply
    5,593.67x = 7,719.44 × 3,075.87
  4. Step 4: Simplify right side
    5,593.67x = 23,743,993.91
  5. Step 5: Solve for x
    x = 23,743,993.91/5,593.67
  6. Step 6: Final answer
    x = 4,244.80

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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.