Home / 7,718.45-10,651.46-4,181.67

Finding the Fourth Proportional to 7,718.45, 10,651.46 and 4,181.67

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Solution

The fourth proportional to 7,718.45, 10,651.46 and 4,181.67 is: 5,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.45 : 10,651.46 = 4,181.67 : x
  2. Step 2: Convert to fraction form
    7,718.45/10,651.46 = 4,181.67/x
  3. Step 3: Cross multiply
    7,718.45x = 10,651.46 × 4,181.67
  4. Step 4: Simplify right side
    7,718.45x = 44,540,869.83
  5. Step 5: Solve for x
    x = 44,540,869.83/7,718.45
  6. Step 6: Final answer
    x = 5,770.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.