Home / 6,756.21-9,321.48-3,771.63

Finding the Fourth Proportional to 6,756.21, 9,321.48 and 3,771.63

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Solution

The fourth proportional to 6,756.21, 9,321.48 and 3,771.63 is: 5,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,756.21 : 9,321.48 = 3,771.63 : x
  2. Step 2: Convert to fraction form
    6,756.21/9,321.48 = 3,771.63/x
  3. Step 3: Cross multiply
    6,756.21x = 9,321.48 × 3,771.63
  4. Step 4: Simplify right side
    6,756.21x = 35,157,173.61
  5. Step 5: Solve for x
    x = 35,157,173.61/6,756.21
  6. Step 6: Final answer
    x = 5,203.68

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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.