Home / 4,815.23-7,222.43-3,415.67

Finding the Fourth Proportional to 4,815.23, 7,222.43 and 3,415.67

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Solution

The fourth proportional to 4,815.23, 7,222.43 and 3,415.67 is: 5,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.23 : 7,222.43 = 3,415.67 : x
  2. Step 2: Convert to fraction form
    4,815.23/7,222.43 = 3,415.67/x
  3. Step 3: Cross multiply
    4,815.23x = 7,222.43 × 3,415.67
  4. Step 4: Simplify right side
    4,815.23x = 24,669,401.37
  5. Step 5: Solve for x
    x = 24,669,401.37/4,815.23
  6. Step 6: Final answer
    x = 5,123.20

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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.