Home / 5,331.83-8,000.78-2,558.25

Finding the Fourth Proportional to 5,331.83, 8,000.78 and 2,558.25

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Solution

The fourth proportional to 5,331.83, 8,000.78 and 2,558.25 is: 3,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.83 : 8,000.78 = 2,558.25 : x
  2. Step 2: Convert to fraction form
    5,331.83/8,000.78 = 2,558.25/x
  3. Step 3: Cross multiply
    5,331.83x = 8,000.78 × 2,558.25
  4. Step 4: Simplify right side
    5,331.83x = 20,467,982.64
  5. Step 5: Solve for x
    x = 20,467,982.64/5,331.83
  6. Step 6: Final answer
    x = 3,838.83

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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.