Home / 5,127.12-7,075.43-2,769.26

Finding the Fourth Proportional to 5,127.12, 7,075.43 and 2,769.26

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Solution

The fourth proportional to 5,127.12, 7,075.43 and 2,769.26 is: 3,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.12 : 7,075.43 = 2,769.26 : x
  2. Step 2: Convert to fraction form
    5,127.12/7,075.43 = 2,769.26/x
  3. Step 3: Cross multiply
    5,127.12x = 7,075.43 × 2,769.26
  4. Step 4: Simplify right side
    5,127.12x = 19,593,705.28
  5. Step 5: Solve for x
    x = 19,593,705.28/5,127.12
  6. Step 6: Final answer
    x = 3,821.58

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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.