Home / 7,211.70-10,818.23-2,215.22

Finding the Fourth Proportional to 7,211.70, 10,818.23 and 2,215.22

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Solution

The fourth proportional to 7,211.70, 10,818.23 and 2,215.22 is: 3,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.70 : 10,818.23 = 2,215.22 : x
  2. Step 2: Convert to fraction form
    7,211.70/10,818.23 = 2,215.22/x
  3. Step 3: Cross multiply
    7,211.70x = 10,818.23 × 2,215.22
  4. Step 4: Simplify right side
    7,211.70x = 23,964,694.29
  5. Step 5: Solve for x
    x = 23,964,694.29/7,211.70
  6. Step 6: Final answer
    x = 3,323.03

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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.