Home / 7,931.40-11,898.46-2,736.06

Finding the Fourth Proportional to 7,931.40, 11,898.46 and 2,736.06

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Solution

The fourth proportional to 7,931.40, 11,898.46 and 2,736.06 is: 4,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.40 : 11,898.46 = 2,736.06 : x
  2. Step 2: Convert to fraction form
    7,931.40/11,898.46 = 2,736.06/x
  3. Step 3: Cross multiply
    7,931.40x = 11,898.46 × 2,736.06
  4. Step 4: Simplify right side
    7,931.40x = 32,554,900.47
  5. Step 5: Solve for x
    x = 32,554,900.47/7,931.40
  6. Step 6: Final answer
    x = 4,104.56

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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.