Home / 6,918.21-10,373.67-3,956.65

Finding the Fourth Proportional to 6,918.21, 10,373.67 and 3,956.65

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Solution

The fourth proportional to 6,918.21, 10,373.67 and 3,956.65 is: 5,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.21 : 10,373.67 = 3,956.65 : x
  2. Step 2: Convert to fraction form
    6,918.21/10,373.67 = 3,956.65/x
  3. Step 3: Cross multiply
    6,918.21x = 10,373.67 × 3,956.65
  4. Step 4: Simplify right side
    6,918.21x = 41,044,955.47
  5. Step 5: Solve for x
    x = 41,044,955.47/6,918.21
  6. Step 6: Final answer
    x = 5,932.89

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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.