Home / 7,722.06-11,583.11-1,878.67

Finding the Fourth Proportional to 7,722.06, 11,583.11 and 1,878.67

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Solution

The fourth proportional to 7,722.06, 11,583.11 and 1,878.67 is: 2,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.06 : 11,583.11 = 1,878.67 : x
  2. Step 2: Convert to fraction form
    7,722.06/11,583.11 = 1,878.67/x
  3. Step 3: Cross multiply
    7,722.06x = 11,583.11 × 1,878.67
  4. Step 4: Simplify right side
    7,722.06x = 21,760,841.26
  5. Step 5: Solve for x
    x = 21,760,841.26/7,722.06
  6. Step 6: Final answer
    x = 2,818.01

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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.