Home / 8,157.37-12,237.86-2,611.17

Finding the Fourth Proportional to 8,157.37, 12,237.86 and 2,611.17

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Solution

The fourth proportional to 8,157.37, 12,237.86 and 2,611.17 is: 3,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.37 : 12,237.86 = 2,611.17 : x
  2. Step 2: Convert to fraction form
    8,157.37/12,237.86 = 2,611.17/x
  3. Step 3: Cross multiply
    8,157.37x = 12,237.86 × 2,611.17
  4. Step 4: Simplify right side
    8,157.37x = 31,955,132.90
  5. Step 5: Solve for x
    x = 31,955,132.90/8,157.37
  6. Step 6: Final answer
    x = 3,917.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.