Home / 8,021.16-11,070.24-4,485.09

Finding the Fourth Proportional to 8,021.16, 11,070.24 and 4,485.09

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Solution

The fourth proportional to 8,021.16, 11,070.24 and 4,485.09 is: 6,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.16 : 11,070.24 = 4,485.09 : x
  2. Step 2: Convert to fraction form
    8,021.16/11,070.24 = 4,485.09/x
  3. Step 3: Cross multiply
    8,021.16x = 11,070.24 × 4,485.09
  4. Step 4: Simplify right side
    8,021.16x = 49,651,022.72
  5. Step 5: Solve for x
    x = 49,651,022.72/8,021.16
  6. Step 6: Final answer
    x = 6,190.01

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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.