Home / 6,771.79-10,153.57-4,428.96

Finding the Fourth Proportional to 6,771.79, 10,153.57 and 4,428.96

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Solution

The fourth proportional to 6,771.79, 10,153.57 and 4,428.96 is: 6,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.79 : 10,153.57 = 4,428.96 : x
  2. Step 2: Convert to fraction form
    6,771.79/10,153.57 = 4,428.96/x
  3. Step 3: Cross multiply
    6,771.79x = 10,153.57 × 4,428.96
  4. Step 4: Simplify right side
    6,771.79x = 44,969,755.39
  5. Step 5: Solve for x
    x = 44,969,755.39/6,771.79
  6. Step 6: Final answer
    x = 6,640.75

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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.