Home / 7,277.30-10,906.81-3,112.41

Finding the Fourth Proportional to 7,277.30, 10,906.81 and 3,112.41

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Solution

The fourth proportional to 7,277.30, 10,906.81 and 3,112.41 is: 4,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.30 : 10,906.81 = 3,112.41 : x
  2. Step 2: Convert to fraction form
    7,277.30/10,906.81 = 3,112.41/x
  3. Step 3: Cross multiply
    7,277.30x = 10,906.81 × 3,112.41
  4. Step 4: Simplify right side
    7,277.30x = 33,946,421.67
  5. Step 5: Solve for x
    x = 33,946,421.67/7,277.30
  6. Step 6: Final answer
    x = 4,664.70

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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.