Home / 8,143.37-11,242.90-6,251.33

Finding the Fourth Proportional to 8,143.37, 11,242.90 and 6,251.33

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Solution

The fourth proportional to 8,143.37, 11,242.90 and 6,251.33 is: 8,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.37 : 11,242.90 = 6,251.33 : x
  2. Step 2: Convert to fraction form
    8,143.37/11,242.90 = 6,251.33/x
  3. Step 3: Cross multiply
    8,143.37x = 11,242.90 × 6,251.33
  4. Step 4: Simplify right side
    8,143.37x = 70,283,113.98
  5. Step 5: Solve for x
    x = 70,283,113.98/8,143.37
  6. Step 6: Final answer
    x = 8,630.72

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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.