Home / 4,806.72-7,211.52-2,211.12

Finding the Fourth Proportional to 4,806.72, 7,211.52 and 2,211.12

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Solution

The fourth proportional to 4,806.72, 7,211.52 and 2,211.12 is: 3,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.72 : 7,211.52 = 2,211.12 : x
  2. Step 2: Convert to fraction form
    4,806.72/7,211.52 = 2,211.12/x
  3. Step 3: Cross multiply
    4,806.72x = 7,211.52 × 2,211.12
  4. Step 4: Simplify right side
    4,806.72x = 15,945,536.10
  5. Step 5: Solve for x
    x = 15,945,536.10/4,806.72
  6. Step 6: Final answer
    x = 3,317.34

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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.