Home / 7,233.60-10,836.48-3,945.60

Finding the Fourth Proportional to 7,233.60, 10,836.48 and 3,945.60

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Solution

The fourth proportional to 7,233.60, 10,836.48 and 3,945.60 is: 5,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,233.60 : 10,836.48 = 3,945.60 : x
  2. Step 2: Convert to fraction form
    7,233.60/10,836.48 = 3,945.60/x
  3. Step 3: Cross multiply
    7,233.60x = 10,836.48 × 3,945.60
  4. Step 4: Simplify right side
    7,233.60x = 42,756,415.49
  5. Step 5: Solve for x
    x = 42,756,415.49/7,233.60
  6. Step 6: Final answer
    x = 5,910.81

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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.