Home / 6,270.21-8,653.30-3,617.80

Finding the Fourth Proportional to 6,270.21, 8,653.30 and 3,617.80

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Solution

The fourth proportional to 6,270.21, 8,653.30 and 3,617.80 is: 4,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.21 : 8,653.30 = 3,617.80 : x
  2. Step 2: Convert to fraction form
    6,270.21/8,653.30 = 3,617.80/x
  3. Step 3: Cross multiply
    6,270.21x = 8,653.30 × 3,617.80
  4. Step 4: Simplify right side
    6,270.21x = 31,305,878.06
  5. Step 5: Solve for x
    x = 31,305,878.06/6,270.21
  6. Step 6: Final answer
    x = 4,992.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.