Home / 4,702.56-7,049.70-1,778.73

Finding the Fourth Proportional to 4,702.56, 7,049.70 and 1,778.73

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Solution

The fourth proportional to 4,702.56, 7,049.70 and 1,778.73 is: 2,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.56 : 7,049.70 = 1,778.73 : x
  2. Step 2: Convert to fraction form
    4,702.56/7,049.70 = 1,778.73/x
  3. Step 3: Cross multiply
    4,702.56x = 7,049.70 × 1,778.73
  4. Step 4: Simplify right side
    4,702.56x = 12,539,512.88
  5. Step 5: Solve for x
    x = 12,539,512.88/4,702.56
  6. Step 6: Final answer
    x = 2,666.53

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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.