Home / 6,497.34-8,962.41-3,979.86

Finding the Fourth Proportional to 6,497.34, 8,962.41 and 3,979.86

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Solution

The fourth proportional to 6,497.34, 8,962.41 and 3,979.86 is: 5,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497.34 : 8,962.41 = 3,979.86 : x
  2. Step 2: Convert to fraction form
    6,497.34/8,962.41 = 3,979.86/x
  3. Step 3: Cross multiply
    6,497.34x = 8,962.41 × 3,979.86
  4. Step 4: Simplify right side
    6,497.34x = 35,669,092.25
  5. Step 5: Solve for x
    x = 35,669,092.25/6,497.34
  6. Step 6: Final answer
    x = 5,489.80

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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.