Home / 8,077.38-11,147.37-4,541.22

Finding the Fourth Proportional to 8,077.38, 11,147.37 and 4,541.22

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Solution

The fourth proportional to 8,077.38, 11,147.37 and 4,541.22 is: 6,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.38 : 11,147.37 = 4,541.22 : x
  2. Step 2: Convert to fraction form
    8,077.38/11,147.37 = 4,541.22/x
  3. Step 3: Cross multiply
    8,077.38x = 11,147.37 × 4,541.22
  4. Step 4: Simplify right side
    8,077.38x = 50,622,659.59
  5. Step 5: Solve for x
    x = 50,622,659.59/8,077.38
  6. Step 6: Final answer
    x = 6,267.21

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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.