Home / 7,177.92-10,762.93-2,672.70

Finding the Fourth Proportional to 7,177.92, 10,762.93 and 2,672.70

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Solution

The fourth proportional to 7,177.92, 10,762.93 and 2,672.70 is: 4,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.92 : 10,762.93 = 2,672.70 : x
  2. Step 2: Convert to fraction form
    7,177.92/10,762.93 = 2,672.70/x
  3. Step 3: Cross multiply
    7,177.92x = 10,762.93 × 2,672.70
  4. Step 4: Simplify right side
    7,177.92x = 28,766,069.65
  5. Step 5: Solve for x
    x = 28,766,069.65/7,177.92
  6. Step 6: Final answer
    x = 4,007.58

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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.