Home / 7,786.28-10,745.27-4,428.98

Finding the Fourth Proportional to 7,786.28, 10,745.27 and 4,428.98

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Solution

The fourth proportional to 7,786.28, 10,745.27 and 4,428.98 is: 6,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.28 : 10,745.27 = 4,428.98 : x
  2. Step 2: Convert to fraction form
    7,786.28/10,745.27 = 4,428.98/x
  3. Step 3: Cross multiply
    7,786.28x = 10,745.27 × 4,428.98
  4. Step 4: Simplify right side
    7,786.28x = 47,590,585.92
  5. Step 5: Solve for x
    x = 47,590,585.92/7,786.28
  6. Step 6: Final answer
    x = 6,112.11

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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.