Home / 6,921.06-9,551.03-3,777.26

Finding the Fourth Proportional to 6,921.06, 9,551.03 and 3,777.26

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Solution

The fourth proportional to 6,921.06, 9,551.03 and 3,777.26 is: 5,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.06 : 9,551.03 = 3,777.26 : x
  2. Step 2: Convert to fraction form
    6,921.06/9,551.03 = 3,777.26/x
  3. Step 3: Cross multiply
    6,921.06x = 9,551.03 × 3,777.26
  4. Step 4: Simplify right side
    6,921.06x = 36,076,656.94
  5. Step 5: Solve for x
    x = 36,076,656.94/6,921.06
  6. Step 6: Final answer
    x = 5,212.59

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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.