Home / 5,730.71-7,908.38-3,212.84

Finding the Fourth Proportional to 5,730.71, 7,908.38 and 3,212.84

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Solution

The fourth proportional to 5,730.71, 7,908.38 and 3,212.84 is: 4,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.71 : 7,908.38 = 3,212.84 : x
  2. Step 2: Convert to fraction form
    5,730.71/7,908.38 = 3,212.84/x
  3. Step 3: Cross multiply
    5,730.71x = 7,908.38 × 3,212.84
  4. Step 4: Simplify right side
    5,730.71x = 25,408,343.54
  5. Step 5: Solve for x
    x = 25,408,343.54/5,730.71
  6. Step 6: Final answer
    x = 4,433.72

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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.