Home / 4,395.44-6,589.20-1,620.20

Finding the Fourth Proportional to 4,395.44, 6,589.20 and 1,620.20

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Solution

The fourth proportional to 4,395.44, 6,589.20 and 1,620.20 is: 2,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.44 : 6,589.20 = 1,620.20 : x
  2. Step 2: Convert to fraction form
    4,395.44/6,589.20 = 1,620.20/x
  3. Step 3: Cross multiply
    4,395.44x = 6,589.20 × 1,620.20
  4. Step 4: Simplify right side
    4,395.44x = 10,675,821.84
  5. Step 5: Solve for x
    x = 10,675,821.84/4,395.44
  6. Step 6: Final answer
    x = 2,428.84

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1.5x scale

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.