Home / 7,619.78-11,426.67-2,937.22

Finding the Fourth Proportional to 7,619.78, 11,426.67 and 2,937.22

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Solution

The fourth proportional to 7,619.78, 11,426.67 and 2,937.22 is: 4,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.78 : 11,426.67 = 2,937.22 : x
  2. Step 2: Convert to fraction form
    7,619.78/11,426.67 = 2,937.22/x
  3. Step 3: Cross multiply
    7,619.78x = 11,426.67 × 2,937.22
  4. Step 4: Simplify right side
    7,619.78x = 33,562,615.09
  5. Step 5: Solve for x
    x = 33,562,615.09/7,619.78
  6. Step 6: Final answer
    x = 4,404.67

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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.