Home / 4,690.49-7,028.44-1,767.20

Finding the Fourth Proportional to 4,690.49, 7,028.44 and 1,767.20

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Solution

The fourth proportional to 4,690.49, 7,028.44 and 1,767.20 is: 2,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.49 : 7,028.44 = 1,767.20 : x
  2. Step 2: Convert to fraction form
    4,690.49/7,028.44 = 1,767.20/x
  3. Step 3: Cross multiply
    4,690.49x = 7,028.44 × 1,767.20
  4. Step 4: Simplify right side
    4,690.49x = 12,420,619.61
  5. Step 5: Solve for x
    x = 12,420,619.61/4,690.49
  6. Step 6: Final answer
    x = 2,648.05

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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.