Home / 6,927-9,559.26-3,783.20

Finding the Fourth Proportional to 6,927, 9,559.26 and 3,783.20

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Solution

The fourth proportional to 6,927, 9,559.26 and 3,783.20 is: 5,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927 : 9,559.26 = 3,783.20 : x
  2. Step 2: Convert to fraction form
    6,927/9,559.26 = 3,783.20/x
  3. Step 3: Cross multiply
    6,927x = 9,559.26 × 3,783.20
  4. Step 4: Simplify right side
    6,927x = 36,164,544.64
  5. Step 5: Solve for x
    x = 36,164,544.64/6,927
  6. Step 6: Final answer
    x = 5,220.81

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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.