Home / 7,670.37-11,503.27-3,286.80

Finding the Fourth Proportional to 7,670.37, 11,503.27 and 3,286.80

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Solution

The fourth proportional to 7,670.37, 11,503.27 and 3,286.80 is: 4,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.37 : 11,503.27 = 3,286.80 : x
  2. Step 2: Convert to fraction form
    7,670.37/11,503.27 = 3,286.80/x
  3. Step 3: Cross multiply
    7,670.37x = 11,503.27 × 3,286.80
  4. Step 4: Simplify right side
    7,670.37x = 37,808,947.84
  5. Step 5: Solve for x
    x = 37,808,947.84/7,670.37
  6. Step 6: Final answer
    x = 4,929.22

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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.