Home / 8,791.07-13,187.64-3,090.29

Finding the Fourth Proportional to 8,791.07, 13,187.64 and 3,090.29

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Solution

The fourth proportional to 8,791.07, 13,187.64 and 3,090.29 is: 4,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.07 : 13,187.64 = 3,090.29 : x
  2. Step 2: Convert to fraction form
    8,791.07/13,187.64 = 3,090.29/x
  3. Step 3: Cross multiply
    8,791.07x = 13,187.64 × 3,090.29
  4. Step 4: Simplify right side
    8,791.07x = 40,753,632.02
  5. Step 5: Solve for x
    x = 40,753,632.02/8,791.07
  6. Step 6: Final answer
    x = 4,635.80

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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.