Home / 4,075.18-5,619.98-3,189.44

Finding the Fourth Proportional to 4,075.18, 5,619.98 and 3,189.44

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Solution

The fourth proportional to 4,075.18, 5,619.98 and 3,189.44 is: 4,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.18 : 5,619.98 = 3,189.44 : x
  2. Step 2: Convert to fraction form
    4,075.18/5,619.98 = 3,189.44/x
  3. Step 3: Cross multiply
    4,075.18x = 5,619.98 × 3,189.44
  4. Step 4: Simplify right side
    4,075.18x = 17,924,589.01
  5. Step 5: Solve for x
    x = 17,924,589.01/4,075.18
  6. Step 6: Final answer
    x = 4,398.48

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1.5x scale

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.