Home / 7,786.84-10,745.56-4,429.80

Finding the Fourth Proportional to 7,786.84, 10,745.56 and 4,429.80

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Solution

The fourth proportional to 7,786.84, 10,745.56 and 4,429.80 is: 6,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.84 : 10,745.56 = 4,429.80 : x
  2. Step 2: Convert to fraction form
    7,786.84/10,745.56 = 4,429.80/x
  3. Step 3: Cross multiply
    7,786.84x = 10,745.56 × 4,429.80
  4. Step 4: Simplify right side
    7,786.84x = 47,600,681.69
  5. Step 5: Solve for x
    x = 47,600,681.69/7,786.84
  6. Step 6: Final answer
    x = 6,112.97

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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.