Home / 8,126.93-11,207.16-4,940.66

Finding the Fourth Proportional to 8,126.93, 11,207.16 and 4,940.66

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Solution

The fourth proportional to 8,126.93, 11,207.16 and 4,940.66 is: 6,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.93 : 11,207.16 = 4,940.66 : x
  2. Step 2: Convert to fraction form
    8,126.93/11,207.16 = 4,940.66/x
  3. Step 3: Cross multiply
    8,126.93x = 11,207.16 × 4,940.66
  4. Step 4: Simplify right side
    8,126.93x = 55,370,711.09
  5. Step 5: Solve for x
    x = 55,370,711.09/8,126.93
  6. Step 6: Final answer
    x = 6,813.24

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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.