Home / 4,118.55-6,177.82-3,191.35

Finding the Fourth Proportional to 4,118.55, 6,177.82 and 3,191.35

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Solution

The fourth proportional to 4,118.55, 6,177.82 and 3,191.35 is: 4,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.55 : 6,177.82 = 3,191.35 : x
  2. Step 2: Convert to fraction form
    4,118.55/6,177.82 = 3,191.35/x
  3. Step 3: Cross multiply
    4,118.55x = 6,177.82 × 3,191.35
  4. Step 4: Simplify right side
    4,118.55x = 19,715,580.00
  5. Step 5: Solve for x
    x = 19,715,580.00/4,118.55
  6. Step 6: Final answer
    x = 4,787.02

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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.