Home / 5,127.29-7,075.65-2,769.42

Finding the Fourth Proportional to 5,127.29, 7,075.65 and 2,769.42

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Solution

The fourth proportional to 5,127.29, 7,075.65 and 2,769.42 is: 3,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.29 : 7,075.65 = 2,769.42 : x
  2. Step 2: Convert to fraction form
    5,127.29/7,075.65 = 2,769.42/x
  3. Step 3: Cross multiply
    5,127.29x = 7,075.65 × 2,769.42
  4. Step 4: Simplify right side
    5,127.29x = 19,595,446.62
  5. Step 5: Solve for x
    x = 19,595,446.62/5,127.29
  6. Step 6: Final answer
    x = 3,821.80

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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.