Home / 5,315.30-7,958.55-4,163.30

Finding the Fourth Proportional to 5,315.30, 7,958.55 and 4,163.30

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Solution

The fourth proportional to 5,315.30, 7,958.55 and 4,163.30 is: 6,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.30 : 7,958.55 = 4,163.30 : x
  2. Step 2: Convert to fraction form
    5,315.30/7,958.55 = 4,163.30/x
  3. Step 3: Cross multiply
    5,315.30x = 7,958.55 × 4,163.30
  4. Step 4: Simplify right side
    5,315.30x = 33,133,831.22
  5. Step 5: Solve for x
    x = 33,133,831.22/5,315.30
  6. Step 6: Final answer
    x = 6,233.67

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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.