Home / 5,127.39-7,075.80-2,769.53

Finding the Fourth Proportional to 5,127.39, 7,075.80 and 2,769.53

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Solution

The fourth proportional to 5,127.39, 7,075.80 and 2,769.53 is: 3,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.39 : 7,075.80 = 2,769.53 : x
  2. Step 2: Convert to fraction form
    5,127.39/7,075.80 = 2,769.53/x
  3. Step 3: Cross multiply
    5,127.39x = 7,075.80 × 2,769.53
  4. Step 4: Simplify right side
    5,127.39x = 19,596,591.15
  5. Step 5: Solve for x
    x = 19,596,591.15/5,127.39
  6. Step 6: Final answer
    x = 3,821.95

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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.