Home / 8,050.28-12,020.35-7,211.94

Finding the Fourth Proportional to 8,050.28, 12,020.35 and 7,211.94

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Solution

The fourth proportional to 8,050.28, 12,020.35 and 7,211.94 is: 10,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,050.28 : 12,020.35 = 7,211.94 : x
  2. Step 2: Convert to fraction form
    8,050.28/12,020.35 = 7,211.94/x
  3. Step 3: Cross multiply
    8,050.28x = 12,020.35 × 7,211.94
  4. Step 4: Simplify right side
    8,050.28x = 86,690,042.98
  5. Step 5: Solve for x
    x = 86,690,042.98/8,050.28
  6. Step 6: Final answer
    x = 10,768.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.