Home / 7,948.65-11,921.55-2,950.44

Finding the Fourth Proportional to 7,948.65, 11,921.55 and 2,950.44

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Solution

The fourth proportional to 7,948.65, 11,921.55 and 2,950.44 is: 4,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.65 : 11,921.55 = 2,950.44 : x
  2. Step 2: Convert to fraction form
    7,948.65/11,921.55 = 2,950.44/x
  3. Step 3: Cross multiply
    7,948.65x = 11,921.55 × 2,950.44
  4. Step 4: Simplify right side
    7,948.65x = 35,173,817.98
  5. Step 5: Solve for x
    x = 35,173,817.98/7,948.65
  6. Step 6: Final answer
    x = 4,425.13

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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.