Home / 4,260.34-6,392.09-1,919.64

Finding the Fourth Proportional to 4,260.34, 6,392.09 and 1,919.64

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Solution

The fourth proportional to 4,260.34, 6,392.09 and 1,919.64 is: 2,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.34 : 6,392.09 = 1,919.64 : x
  2. Step 2: Convert to fraction form
    4,260.34/6,392.09 = 1,919.64/x
  3. Step 3: Cross multiply
    4,260.34x = 6,392.09 × 1,919.64
  4. Step 4: Simplify right side
    4,260.34x = 12,270,516.45
  5. Step 5: Solve for x
    x = 12,270,516.45/4,260.34
  6. Step 6: Final answer
    x = 2,880.17

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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.