Home / 5,485.05-8,227.58-5,157.41

Finding the Fourth Proportional to 5,485.05, 8,227.58 and 5,157.41

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Solution

The fourth proportional to 5,485.05, 8,227.58 and 5,157.41 is: 7,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.05 : 8,227.58 = 5,157.41 : x
  2. Step 2: Convert to fraction form
    5,485.05/8,227.58 = 5,157.41/x
  3. Step 3: Cross multiply
    5,485.05x = 8,227.58 × 5,157.41
  4. Step 4: Simplify right side
    5,485.05x = 42,432,936.44
  5. Step 5: Solve for x
    x = 42,432,936.44/5,485.05
  6. Step 6: Final answer
    x = 7,736.11

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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.