Home / 9,101.30-13,651.93-2,861.85

Finding the Fourth Proportional to 9,101.30, 13,651.93 and 2,861.85

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Solution

The fourth proportional to 9,101.30, 13,651.93 and 2,861.85 is: 4,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.30 : 13,651.93 = 2,861.85 : x
  2. Step 2: Convert to fraction form
    9,101.30/13,651.93 = 2,861.85/x
  3. Step 3: Cross multiply
    9,101.30x = 13,651.93 × 2,861.85
  4. Step 4: Simplify right side
    9,101.30x = 39,069,830.64
  5. Step 5: Solve for x
    x = 39,069,830.64/9,101.30
  6. Step 6: Final answer
    x = 4,292.78

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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.