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Finding the Fourth Proportional to 6,300.22, 8,693.84 and 3,611.74

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Solution

The fourth proportional to 6,300.22, 8,693.84 and 3,611.74 is: 4,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.22 : 8,693.84 = 3,611.74 : x
  2. Step 2: Convert to fraction form
    6,300.22/8,693.84 = 3,611.74/x
  3. Step 3: Cross multiply
    6,300.22x = 8,693.84 × 3,611.74
  4. Step 4: Simplify right side
    6,300.22x = 31,399,889.68
  5. Step 5: Solve for x
    x = 31,399,889.68/6,300.22
  6. Step 6: Final answer
    x = 4,983.94

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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.