Home / 5,730.87-7,908.59-3,212.97

Finding the Fourth Proportional to 5,730.87, 7,908.59 and 3,212.97

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Solution

The fourth proportional to 5,730.87, 7,908.59 and 3,212.97 is: 4,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.87 : 7,908.59 = 3,212.97 : x
  2. Step 2: Convert to fraction form
    5,730.87/7,908.59 = 3,212.97/x
  3. Step 3: Cross multiply
    5,730.87x = 7,908.59 × 3,212.97
  4. Step 4: Simplify right side
    5,730.87x = 25,410,070.44
  5. Step 5: Solve for x
    x = 25,410,070.44/5,730.87
  6. Step 6: Final answer
    x = 4,433.90

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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.