Home / 6,912.95-10,346.96-3,785.09

Finding the Fourth Proportional to 6,912.95, 10,346.96 and 3,785.09

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Solution

The fourth proportional to 6,912.95, 10,346.96 and 3,785.09 is: 5,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.95 : 10,346.96 = 3,785.09 : x
  2. Step 2: Convert to fraction form
    6,912.95/10,346.96 = 3,785.09/x
  3. Step 3: Cross multiply
    6,912.95x = 10,346.96 × 3,785.09
  4. Step 4: Simplify right side
    6,912.95x = 39,164,132.55
  5. Step 5: Solve for x
    x = 39,164,132.55/6,912.95
  6. Step 6: Final answer
    x = 5,665.33

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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.