Home / 5,471.56-8,212.23-3,911.50

Finding the Fourth Proportional to 5,471.56, 8,212.23 and 3,911.50

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Solution

The fourth proportional to 5,471.56, 8,212.23 and 3,911.50 is: 5,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.56 : 8,212.23 = 3,911.50 : x
  2. Step 2: Convert to fraction form
    5,471.56/8,212.23 = 3,911.50/x
  3. Step 3: Cross multiply
    5,471.56x = 8,212.23 × 3,911.50
  4. Step 4: Simplify right side
    5,471.56x = 32,122,137.65
  5. Step 5: Solve for x
    x = 32,122,137.65/5,471.56
  6. Step 6: Final answer
    x = 5,870.75

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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.