Home / 4,215.92-6,337.71-3,911.45

Finding the Fourth Proportional to 4,215.92, 6,337.71 and 3,911.45

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Solution

The fourth proportional to 4,215.92, 6,337.71 and 3,911.45 is: 5,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.92 : 6,337.71 = 3,911.45 : x
  2. Step 2: Convert to fraction form
    4,215.92/6,337.71 = 3,911.45/x
  3. Step 3: Cross multiply
    4,215.92x = 6,337.71 × 3,911.45
  4. Step 4: Simplify right side
    4,215.92x = 24,789,604.09
  5. Step 5: Solve for x
    x = 24,789,604.09/4,215.92
  6. Step 6: Final answer
    x = 5,880.01

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1.5x scale

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.