Home / 5,169.51-7,756.84-2,049.45

Finding the Fourth Proportional to 5,169.51, 7,756.84 and 2,049.45

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Solution

The fourth proportional to 5,169.51, 7,756.84 and 2,049.45 is: 3,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.51 : 7,756.84 = 2,049.45 : x
  2. Step 2: Convert to fraction form
    5,169.51/7,756.84 = 2,049.45/x
  3. Step 3: Cross multiply
    5,169.51x = 7,756.84 × 2,049.45
  4. Step 4: Simplify right side
    5,169.51x = 15,897,255.74
  5. Step 5: Solve for x
    x = 15,897,255.74/5,169.51
  6. Step 6: Final answer
    x = 3,075.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.