Home / 8,149.28-11,242.08-4,791.93

Finding the Fourth Proportional to 8,149.28, 11,242.08 and 4,791.93

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Solution

The fourth proportional to 8,149.28, 11,242.08 and 4,791.93 is: 6,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.28 : 11,242.08 = 4,791.93 : x
  2. Step 2: Convert to fraction form
    8,149.28/11,242.08 = 4,791.93/x
  3. Step 3: Cross multiply
    8,149.28x = 11,242.08 × 4,791.93
  4. Step 4: Simplify right side
    8,149.28x = 53,871,260.41
  5. Step 5: Solve for x
    x = 53,871,260.41/8,149.28
  6. Step 6: Final answer
    x = 6,610.56

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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.