Home / 6,212.40-9,313.68-4,258.80

Finding the Fourth Proportional to 6,212.40, 9,313.68 and 4,258.80

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Solution

The fourth proportional to 6,212.40, 9,313.68 and 4,258.80 is: 6,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.40 : 9,313.68 = 4,258.80 : x
  2. Step 2: Convert to fraction form
    6,212.40/9,313.68 = 4,258.80/x
  3. Step 3: Cross multiply
    6,212.40x = 9,313.68 × 4,258.80
  4. Step 4: Simplify right side
    6,212.40x = 39,665,100.38
  5. Step 5: Solve for x
    x = 39,665,100.38/6,212.40
  6. Step 6: Final answer
    x = 6,384.83

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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.