Home / 6,839.70-9,435.44-4,320.60

Finding the Fourth Proportional to 6,839.70, 9,435.44 and 4,320.60

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Solution

The fourth proportional to 6,839.70, 9,435.44 and 4,320.60 is: 5,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.70 : 9,435.44 = 4,320.60 : x
  2. Step 2: Convert to fraction form
    6,839.70/9,435.44 = 4,320.60/x
  3. Step 3: Cross multiply
    6,839.70x = 9,435.44 × 4,320.60
  4. Step 4: Simplify right side
    6,839.70x = 40,766,762.06
  5. Step 5: Solve for x
    x = 40,766,762.06/6,839.70
  6. Step 6: Final answer
    x = 5,960.31

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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.