Home / 6,190.75-8,539.46-4,066.53

Finding the Fourth Proportional to 6,190.75, 8,539.46 and 4,066.53

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Solution

The fourth proportional to 6,190.75, 8,539.46 and 4,066.53 is: 5,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.75 : 8,539.46 = 4,066.53 : x
  2. Step 2: Convert to fraction form
    6,190.75/8,539.46 = 4,066.53/x
  3. Step 3: Cross multiply
    6,190.75x = 8,539.46 × 4,066.53
  4. Step 4: Simplify right side
    6,190.75x = 34,725,907.24
  5. Step 5: Solve for x
    x = 34,725,907.24/6,190.75
  6. Step 6: Final answer
    x = 5,609.32

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Half scale
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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.