Home / 8,148.85-11,246.09-5,163.59

Finding the Fourth Proportional to 8,148.85, 11,246.09 and 5,163.59

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Solution

The fourth proportional to 8,148.85, 11,246.09 and 5,163.59 is: 7,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.85 : 11,246.09 = 5,163.59 : x
  2. Step 2: Convert to fraction form
    8,148.85/11,246.09 = 5,163.59/x
  3. Step 3: Cross multiply
    8,148.85x = 11,246.09 × 5,163.59
  4. Step 4: Simplify right side
    8,148.85x = 58,070,200.16
  5. Step 5: Solve for x
    x = 58,070,200.16/8,148.85
  6. Step 6: Final answer
    x = 7,126.19

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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.