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Finding the Fourth Proportional to 6,188.94, 9,285.98 and 3,415.37

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Solution

The fourth proportional to 6,188.94, 9,285.98 and 3,415.37 is: 5,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.94 : 9,285.98 = 3,415.37 : x
  2. Step 2: Convert to fraction form
    6,188.94/9,285.98 = 3,415.37/x
  3. Step 3: Cross multiply
    6,188.94x = 9,285.98 × 3,415.37
  4. Step 4: Simplify right side
    6,188.94x = 31,714,994.01
  5. Step 5: Solve for x
    x = 31,714,994.01/6,188.94
  6. Step 6: Final answer
    x = 5,124.46

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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.