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Finding the Fourth Proportional to 6,153.80, 8,487.78 and 3,795.08

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Solution

The fourth proportional to 6,153.80, 8,487.78 and 3,795.08 is: 5,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.80 : 8,487.78 = 3,795.08 : x
  2. Step 2: Convert to fraction form
    6,153.80/8,487.78 = 3,795.08/x
  3. Step 3: Cross multiply
    6,153.80x = 8,487.78 × 3,795.08
  4. Step 4: Simplify right side
    6,153.80x = 32,211,804.12
  5. Step 5: Solve for x
    x = 32,211,804.12/6,153.80
  6. Step 6: Final answer
    x = 5,234.46

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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.