Home / 6,749.76-9,313.61-3,765.45

Finding the Fourth Proportional to 6,749.76, 9,313.61 and 3,765.45

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Solution

The fourth proportional to 6,749.76, 9,313.61 and 3,765.45 is: 5,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.76 : 9,313.61 = 3,765.45 : x
  2. Step 2: Convert to fraction form
    6,749.76/9,313.61 = 3,765.45/x
  3. Step 3: Cross multiply
    6,749.76x = 9,313.61 × 3,765.45
  4. Step 4: Simplify right side
    6,749.76x = 35,069,913.95
  5. Step 5: Solve for x
    x = 35,069,913.95/6,749.76
  6. Step 6: Final answer
    x = 5,195.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.