Home / 7,039.44-10,558.76-2,109.20

Finding the Fourth Proportional to 7,039.44, 10,558.76 and 2,109.20

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Solution

The fourth proportional to 7,039.44, 10,558.76 and 2,109.20 is: 3,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.44 : 10,558.76 = 2,109.20 : x
  2. Step 2: Convert to fraction form
    7,039.44/10,558.76 = 2,109.20/x
  3. Step 3: Cross multiply
    7,039.44x = 10,558.76 × 2,109.20
  4. Step 4: Simplify right side
    7,039.44x = 22,270,473.25
  5. Step 5: Solve for x
    x = 22,270,473.25/7,039.44
  6. Step 6: Final answer
    x = 3,163.67

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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.