Home / 8,143.44-11,227.51-6,461.94

Finding the Fourth Proportional to 8,143.44, 11,227.51 and 6,461.94

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Solution

The fourth proportional to 8,143.44, 11,227.51 and 6,461.94 is: 8,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.44 : 11,227.51 = 6,461.94 : x
  2. Step 2: Convert to fraction form
    8,143.44/11,227.51 = 6,461.94/x
  3. Step 3: Cross multiply
    8,143.44x = 11,227.51 × 6,461.94
  4. Step 4: Simplify right side
    8,143.44x = 72,551,546.15
  5. Step 5: Solve for x
    x = 72,551,546.15/8,143.44
  6. Step 6: Final answer
    x = 8,909.21

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Double scale
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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.