Home / 7,786.20-10,744.86-4,249.35

Finding the Fourth Proportional to 7,786.20, 10,744.86 and 4,249.35

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Solution

The fourth proportional to 7,786.20, 10,744.86 and 4,249.35 is: 5,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.20 : 10,744.86 = 4,249.35 : x
  2. Step 2: Convert to fraction form
    7,786.20/10,744.86 = 4,249.35/x
  3. Step 3: Cross multiply
    7,786.20x = 10,744.86 × 4,249.35
  4. Step 4: Simplify right side
    7,786.20x = 45,658,670.84
  5. Step 5: Solve for x
    x = 45,658,670.84/7,786.20
  6. Step 6: Final answer
    x = 5,864.05

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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.