Home / 7,824.45-11,736.80-4,313.80

Finding the Fourth Proportional to 7,824.45, 11,736.80 and 4,313.80

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Solution

The fourth proportional to 7,824.45, 11,736.80 and 4,313.80 is: 6,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.45 : 11,736.80 = 4,313.80 : x
  2. Step 2: Convert to fraction form
    7,824.45/11,736.80 = 4,313.80/x
  3. Step 3: Cross multiply
    7,824.45x = 11,736.80 × 4,313.80
  4. Step 4: Simplify right side
    7,824.45x = 50,630,217.12
  5. Step 5: Solve for x
    x = 50,630,217.12/7,824.45
  6. Step 6: Final answer
    x = 6,470.77

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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.