Home / 7,727.76-10,664.24-4,190.99

Finding the Fourth Proportional to 7,727.76, 10,664.24 and 4,190.99

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Solution

The fourth proportional to 7,727.76, 10,664.24 and 4,190.99 is: 5,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.76 : 10,664.24 = 4,190.99 : x
  2. Step 2: Convert to fraction form
    7,727.76/10,664.24 = 4,190.99/x
  3. Step 3: Cross multiply
    7,727.76x = 10,664.24 × 4,190.99
  4. Step 4: Simplify right side
    7,727.76x = 44,693,648.92
  5. Step 5: Solve for x
    x = 44,693,648.92/7,727.76
  6. Step 6: Final answer
    x = 5,783.52

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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.