Home / 7,727.70-10,664.24-4,190.88

Finding the Fourth Proportional to 7,727.70, 10,664.24 and 4,190.88

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Solution

The fourth proportional to 7,727.70, 10,664.24 and 4,190.88 is: 5,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.70 : 10,664.24 = 4,190.88 : x
  2. Step 2: Convert to fraction form
    7,727.70/10,664.24 = 4,190.88/x
  3. Step 3: Cross multiply
    7,727.70x = 10,664.24 × 4,190.88
  4. Step 4: Simplify right side
    7,727.70x = 44,692,529.18
  5. Step 5: Solve for x
    x = 44,692,529.18/7,727.70
  6. Step 6: Final answer
    x = 5,783.42

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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.