Home / 7,955.28-11,940.21-4,261.68

Finding the Fourth Proportional to 7,955.28, 11,940.21 and 4,261.68

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Solution

The fourth proportional to 7,955.28, 11,940.21 and 4,261.68 is: 6,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.28 : 11,940.21 = 4,261.68 : x
  2. Step 2: Convert to fraction form
    7,955.28/11,940.21 = 4,261.68/x
  3. Step 3: Cross multiply
    7,955.28x = 11,940.21 × 4,261.68
  4. Step 4: Simplify right side
    7,955.28x = 50,885,354.15
  5. Step 5: Solve for x
    x = 50,885,354.15/7,955.28
  6. Step 6: Final answer
    x = 6,396.43

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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.