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Finding the Fourth Proportional to 6,155, 8,494 and 3,360.50

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Solution

The fourth proportional to 6,155, 8,494 and 3,360.50 is: 4,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155 : 8,494 = 3,360.50 : x
  2. Step 2: Convert to fraction form
    6,155/8,494 = 3,360.50/x
  3. Step 3: Cross multiply
    6,155x = 8,494 × 3,360.50
  4. Step 4: Simplify right side
    6,155x = 28,544,087
  5. Step 5: Solve for x
    x = 28,544,087/6,155
  6. Step 6: Final answer
    x = 4,637.54

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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.