Home / 7,871.14-11,799.96-3,485.26

Finding the Fourth Proportional to 7,871.14, 11,799.96 and 3,485.26

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Solution

The fourth proportional to 7,871.14, 11,799.96 and 3,485.26 is: 5,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.14 : 11,799.96 = 3,485.26 : x
  2. Step 2: Convert to fraction form
    7,871.14/11,799.96 = 3,485.26/x
  3. Step 3: Cross multiply
    7,871.14x = 11,799.96 × 3,485.26
  4. Step 4: Simplify right side
    7,871.14x = 41,125,928.59
  5. Step 5: Solve for x
    x = 41,125,928.59/7,871.14
  6. Step 6: Final answer
    x = 5,224.90

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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.