Home / 5,919.82-8,169.03-3,681.63

Finding the Fourth Proportional to 5,919.82, 8,169.03 and 3,681.63

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Solution

The fourth proportional to 5,919.82, 8,169.03 and 3,681.63 is: 5,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.82 : 8,169.03 = 3,681.63 : x
  2. Step 2: Convert to fraction form
    5,919.82/8,169.03 = 3,681.63/x
  3. Step 3: Cross multiply
    5,919.82x = 8,169.03 × 3,681.63
  4. Step 4: Simplify right side
    5,919.82x = 30,075,345.92
  5. Step 5: Solve for x
    x = 30,075,345.92/5,919.82
  6. Step 6: Final answer
    x = 5,080.45

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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.