Home / 7,040.48-10,571.64-6,728.82

Finding the Fourth Proportional to 7,040.48, 10,571.64 and 6,728.82

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Solution

The fourth proportional to 7,040.48, 10,571.64 and 6,728.82 is: 10,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.48 : 10,571.64 = 6,728.82 : x
  2. Step 2: Convert to fraction form
    7,040.48/10,571.64 = 6,728.82/x
  3. Step 3: Cross multiply
    7,040.48x = 10,571.64 × 6,728.82
  4. Step 4: Simplify right side
    7,040.48x = 71,134,662.66
  5. Step 5: Solve for x
    x = 71,134,662.66/7,040.48
  6. Step 6: Final answer
    x = 10,103.67

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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.