Home / 5,620.68-8,391.35-4,297.44

Finding the Fourth Proportional to 5,620.68, 8,391.35 and 4,297.44

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Solution

The fourth proportional to 5,620.68, 8,391.35 and 4,297.44 is: 6,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.68 : 8,391.35 = 4,297.44 : x
  2. Step 2: Convert to fraction form
    5,620.68/8,391.35 = 4,297.44/x
  3. Step 3: Cross multiply
    5,620.68x = 8,391.35 × 4,297.44
  4. Step 4: Simplify right side
    5,620.68x = 36,061,323.14
  5. Step 5: Solve for x
    x = 36,061,323.14/5,620.68
  6. Step 6: Final answer
    x = 6,415.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.