Home / 6,921.06-9,551.06-3,777.25

Finding the Fourth Proportional to 6,921.06, 9,551.06 and 3,777.25

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Solution

The fourth proportional to 6,921.06, 9,551.06 and 3,777.25 is: 5,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.06 : 9,551.06 = 3,777.25 : x
  2. Step 2: Convert to fraction form
    6,921.06/9,551.06 = 3,777.25/x
  3. Step 3: Cross multiply
    6,921.06x = 9,551.06 × 3,777.25
  4. Step 4: Simplify right side
    6,921.06x = 36,076,674.74
  5. Step 5: Solve for x
    x = 36,076,674.74/6,921.06
  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.