Home / 7,942.65-10,959.69-4,405.89

Finding the Fourth Proportional to 7,942.65, 10,959.69 and 4,405.89

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Solution

The fourth proportional to 7,942.65, 10,959.69 and 4,405.89 is: 6,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.65 : 10,959.69 = 4,405.89 : x
  2. Step 2: Convert to fraction form
    7,942.65/10,959.69 = 4,405.89/x
  3. Step 3: Cross multiply
    7,942.65x = 10,959.69 × 4,405.89
  4. Step 4: Simplify right side
    7,942.65x = 48,287,166.54
  5. Step 5: Solve for x
    x = 48,287,166.54/7,942.65
  6. Step 6: Final answer
    x = 6,079.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.