Home / 4,719.39-6,512.90-2,730.57

Finding the Fourth Proportional to 4,719.39, 6,512.90 and 2,730.57

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Solution

The fourth proportional to 4,719.39, 6,512.90 and 2,730.57 is: 3,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.39 : 6,512.90 = 2,730.57 : x
  2. Step 2: Convert to fraction form
    4,719.39/6,512.90 = 2,730.57/x
  3. Step 3: Cross multiply
    4,719.39x = 6,512.90 × 2,730.57
  4. Step 4: Simplify right side
    4,719.39x = 17,783,915.70
  5. Step 5: Solve for x
    x = 17,783,915.70/4,719.39
  6. Step 6: Final answer
    x = 3,768.27

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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.