Home / 8,021.94-11,070.30-4,485.21

Finding the Fourth Proportional to 8,021.94, 11,070.30 and 4,485.21

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Solution

The fourth proportional to 8,021.94, 11,070.30 and 4,485.21 is: 6,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.94 : 11,070.30 = 4,485.21 : x
  2. Step 2: Convert to fraction form
    8,021.94/11,070.30 = 4,485.21/x
  3. Step 3: Cross multiply
    8,021.94x = 11,070.30 × 4,485.21
  4. Step 4: Simplify right side
    8,021.94x = 49,652,620.26
  5. Step 5: Solve for x
    x = 49,652,620.26/8,021.94
  6. Step 6: Final answer
    x = 6,189.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.