Home / 7,866.21-11,800.94-2,319.03

Finding the Fourth Proportional to 7,866.21, 11,800.94 and 2,319.03

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Solution

The fourth proportional to 7,866.21, 11,800.94 and 2,319.03 is: 3,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.21 : 11,800.94 = 2,319.03 : x
  2. Step 2: Convert to fraction form
    7,866.21/11,800.94 = 2,319.03/x
  3. Step 3: Cross multiply
    7,866.21x = 11,800.94 × 2,319.03
  4. Step 4: Simplify right side
    7,866.21x = 27,366,735.34
  5. Step 5: Solve for x
    x = 27,366,735.34/7,866.21
  6. Step 6: Final answer
    x = 3,479.02

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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.