Home / 9,440.88-14,160.70-3,892.78

Finding the Fourth Proportional to 9,440.88, 14,160.70 and 3,892.78

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Solution

The fourth proportional to 9,440.88, 14,160.70 and 3,892.78 is: 5,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.88 : 14,160.70 = 3,892.78 : x
  2. Step 2: Convert to fraction form
    9,440.88/14,160.70 = 3,892.78/x
  3. Step 3: Cross multiply
    9,440.88x = 14,160.70 × 3,892.78
  4. Step 4: Simplify right side
    9,440.88x = 55,124,489.75
  5. Step 5: Solve for x
    x = 55,124,489.75/9,440.88
  6. Step 6: Final answer
    x = 5,838.91

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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.