Home / 5,730.76-7,907.94-3,212.68

Finding the Fourth Proportional to 5,730.76, 7,907.94 and 3,212.68

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Solution

The fourth proportional to 5,730.76, 7,907.94 and 3,212.68 is: 4,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.76 : 7,907.94 = 3,212.68 : x
  2. Step 2: Convert to fraction form
    5,730.76/7,907.94 = 3,212.68/x
  3. Step 3: Cross multiply
    5,730.76x = 7,907.94 × 3,212.68
  4. Step 4: Simplify right side
    5,730.76x = 25,405,680.68
  5. Step 5: Solve for x
    x = 25,405,680.68/5,730.76
  6. Step 6: Final answer
    x = 4,433.21

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1.5x scale

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.