Home / 6,620.21-9,976.79-5,962.83

Finding the Fourth Proportional to 6,620.21, 9,976.79 and 5,962.83

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Solution

The fourth proportional to 6,620.21, 9,976.79 and 5,962.83 is: 8,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.21 : 9,976.79 = 5,962.83 : x
  2. Step 2: Convert to fraction form
    6,620.21/9,976.79 = 5,962.83/x
  3. Step 3: Cross multiply
    6,620.21x = 9,976.79 × 5,962.83
  4. Step 4: Simplify right side
    6,620.21x = 59,489,880.21
  5. Step 5: Solve for x
    x = 59,489,880.21/6,620.21
  6. Step 6: Final answer
    x = 8,986.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.