Home / 9,311.07-13,961.21-3,759.87

Finding the Fourth Proportional to 9,311.07, 13,961.21 and 3,759.87

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Solution

The fourth proportional to 9,311.07, 13,961.21 and 3,759.87 is: 5,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.07 : 13,961.21 = 3,759.87 : x
  2. Step 2: Convert to fraction form
    9,311.07/13,961.21 = 3,759.87/x
  3. Step 3: Cross multiply
    9,311.07x = 13,961.21 × 3,759.87
  4. Step 4: Simplify right side
    9,311.07x = 52,492,315.84
  5. Step 5: Solve for x
    x = 52,492,315.84/9,311.07
  6. Step 6: Final answer
    x = 5,637.62

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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.