Home / 9,811.28-14,716.91-3,971.99

Finding the Fourth Proportional to 9,811.28, 14,716.91 and 3,971.99

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Solution

The fourth proportional to 9,811.28, 14,716.91 and 3,971.99 is: 5,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.28 : 14,716.91 = 3,971.99 : x
  2. Step 2: Convert to fraction form
    9,811.28/14,716.91 = 3,971.99/x
  3. Step 3: Cross multiply
    9,811.28x = 14,716.91 × 3,971.99
  4. Step 4: Simplify right side
    9,811.28x = 58,455,466.07
  5. Step 5: Solve for x
    x = 58,455,466.07/9,811.28
  6. Step 6: Final answer
    x = 5,957.98

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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.