Home / 4,396.37-6,589.76-1,620.70

Finding the Fourth Proportional to 4,396.37, 6,589.76 and 1,620.70

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Solution

The fourth proportional to 4,396.37, 6,589.76 and 1,620.70 is: 2,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,396.37 : 6,589.76 = 1,620.70 : x
  2. Step 2: Convert to fraction form
    4,396.37/6,589.76 = 1,620.70/x
  3. Step 3: Cross multiply
    4,396.37x = 6,589.76 × 1,620.70
  4. Step 4: Simplify right side
    4,396.37x = 10,679,982.98
  5. Step 5: Solve for x
    x = 10,679,982.98/4,396.37
  6. Step 6: Final answer
    x = 2,429.28

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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.