Home / 8,147.16-11,242.98-4,961.34

Finding the Fourth Proportional to 8,147.16, 11,242.98 and 4,961.34

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Solution

The fourth proportional to 8,147.16, 11,242.98 and 4,961.34 is: 6,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.16 : 11,242.98 = 4,961.34 : x
  2. Step 2: Convert to fraction form
    8,147.16/11,242.98 = 4,961.34/x
  3. Step 3: Cross multiply
    8,147.16x = 11,242.98 × 4,961.34
  4. Step 4: Simplify right side
    8,147.16x = 55,780,246.39
  5. Step 5: Solve for x
    x = 55,780,246.39/8,147.16
  6. Step 6: Final answer
    x = 6,846.59

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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.