Home / 7,702.23-11,553.31-2,771.85

Finding the Fourth Proportional to 7,702.23, 11,553.31 and 2,771.85

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Solution

The fourth proportional to 7,702.23, 11,553.31 and 2,771.85 is: 4,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.23 : 11,553.31 = 2,771.85 : x
  2. Step 2: Convert to fraction form
    7,702.23/11,553.31 = 2,771.85/x
  3. Step 3: Cross multiply
    7,702.23x = 11,553.31 × 2,771.85
  4. Step 4: Simplify right side
    7,702.23x = 32,024,028.46
  5. Step 5: Solve for x
    x = 32,024,028.46/7,702.23
  6. Step 6: Final answer
    x = 4,157.76

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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.