Home / 6,858.45-10,283.09-3,155.67

Finding the Fourth Proportional to 6,858.45, 10,283.09 and 3,155.67

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Solution

The fourth proportional to 6,858.45, 10,283.09 and 3,155.67 is: 4,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.45 : 10,283.09 = 3,155.67 : x
  2. Step 2: Convert to fraction form
    6,858.45/10,283.09 = 3,155.67/x
  3. Step 3: Cross multiply
    6,858.45x = 10,283.09 × 3,155.67
  4. Step 4: Simplify right side
    6,858.45x = 32,450,022.84
  5. Step 5: Solve for x
    x = 32,450,022.84/6,858.45
  6. Step 6: Final answer
    x = 4,731.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.