Home / 8,211.22-12,316.82-6,570.97

Finding the Fourth Proportional to 8,211.22, 12,316.82 and 6,570.97

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Solution

The fourth proportional to 8,211.22, 12,316.82 and 6,570.97 is: 9,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.22 : 12,316.82 = 6,570.97 : x
  2. Step 2: Convert to fraction form
    8,211.22/12,316.82 = 6,570.97/x
  3. Step 3: Cross multiply
    8,211.22x = 12,316.82 × 6,570.97
  4. Step 4: Simplify right side
    8,211.22x = 80,933,454.72
  5. Step 5: Solve for x
    x = 80,933,454.72/8,211.22
  6. Step 6: Final answer
    x = 9,856.45

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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.