Home / 7,860.36-11,785.72-3,352.12

Finding the Fourth Proportional to 7,860.36, 11,785.72 and 3,352.12

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Solution

The fourth proportional to 7,860.36, 11,785.72 and 3,352.12 is: 5,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.36 : 11,785.72 = 3,352.12 : x
  2. Step 2: Convert to fraction form
    7,860.36/11,785.72 = 3,352.12/x
  3. Step 3: Cross multiply
    7,860.36x = 11,785.72 × 3,352.12
  4. Step 4: Simplify right side
    7,860.36x = 39,507,147.73
  5. Step 5: Solve for x
    x = 39,507,147.73/7,860.36
  6. Step 6: Final answer
    x = 5,026.12

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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.