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Finding the Fourth Proportional to 6,783.55, 10,169.55 and 3,084.48

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Solution

The fourth proportional to 6,783.55, 10,169.55 and 3,084.48 is: 4,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.55 : 10,169.55 = 3,084.48 : x
  2. Step 2: Convert to fraction form
    6,783.55/10,169.55 = 3,084.48/x
  3. Step 3: Cross multiply
    6,783.55x = 10,169.55 × 3,084.48
  4. Step 4: Simplify right side
    6,783.55x = 31,367,773.58
  5. Step 5: Solve for x
    x = 31,367,773.58/6,783.55
  6. Step 6: Final answer
    x = 4,624.10

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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.