Home / 6,211.68-9,316.80-3,401.36

Finding the Fourth Proportional to 6,211.68, 9,316.80 and 3,401.36

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Solution

The fourth proportional to 6,211.68, 9,316.80 and 3,401.36 is: 5,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.68 : 9,316.80 = 3,401.36 : x
  2. Step 2: Convert to fraction form
    6,211.68/9,316.80 = 3,401.36/x
  3. Step 3: Cross multiply
    6,211.68x = 9,316.80 × 3,401.36
  4. Step 4: Simplify right side
    6,211.68x = 31,689,790.85
  5. Step 5: Solve for x
    x = 31,689,790.85/6,211.68
  6. Step 6: Final answer
    x = 5,101.65

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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.