Home / 6,839.50-9,440.94-4,045

Finding the Fourth Proportional to 6,839.50, 9,440.94 and 4,045

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Solution

The fourth proportional to 6,839.50, 9,440.94 and 4,045 is: 5,583.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.50 : 9,440.94 = 4,045 : x
  2. Step 2: Convert to fraction form
    6,839.50/9,440.94 = 4,045/x
  3. Step 3: Cross multiply
    6,839.50x = 9,440.94 × 4,045
  4. Step 4: Simplify right side
    6,839.50x = 38,188,602.30
  5. Step 5: Solve for x
    x = 38,188,602.30/6,839.50
  6. Step 6: Final answer
    x = 5,583.54

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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.