Home / 9,287.06-13,932.76-3,131.06

Finding the Fourth Proportional to 9,287.06, 13,932.76 and 3,131.06

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Solution

The fourth proportional to 9,287.06, 13,932.76 and 3,131.06 is: 4,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.06 : 13,932.76 = 3,131.06 : x
  2. Step 2: Convert to fraction form
    9,287.06/13,932.76 = 3,131.06/x
  3. Step 3: Cross multiply
    9,287.06x = 13,932.76 × 3,131.06
  4. Step 4: Simplify right side
    9,287.06x = 43,624,334.53
  5. Step 5: Solve for x
    x = 43,624,334.53/9,287.06
  6. Step 6: Final answer
    x = 4,697.32

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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.