Home / 8,619.67-12,927.12-2,378.22

Finding the Fourth Proportional to 8,619.67, 12,927.12 and 2,378.22

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Solution

The fourth proportional to 8,619.67, 12,927.12 and 2,378.22 is: 3,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.67 : 12,927.12 = 2,378.22 : x
  2. Step 2: Convert to fraction form
    8,619.67/12,927.12 = 2,378.22/x
  3. Step 3: Cross multiply
    8,619.67x = 12,927.12 × 2,378.22
  4. Step 4: Simplify right side
    8,619.67x = 30,743,535.33
  5. Step 5: Solve for x
    x = 30,743,535.33/8,619.67
  6. Step 6: Final answer
    x = 3,566.67

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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.