Home / 4,211.99-6,319.35-2,020.89

Finding the Fourth Proportional to 4,211.99, 6,319.35 and 2,020.89

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Solution

The fourth proportional to 4,211.99, 6,319.35 and 2,020.89 is: 3,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.99 : 6,319.35 = 2,020.89 : x
  2. Step 2: Convert to fraction form
    4,211.99/6,319.35 = 2,020.89/x
  3. Step 3: Cross multiply
    4,211.99x = 6,319.35 × 2,020.89
  4. Step 4: Simplify right side
    4,211.99x = 12,770,711.22
  5. Step 5: Solve for x
    x = 12,770,711.22/4,211.99
  6. Step 6: Final answer
    x = 3,031.99

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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.