Home / 4,719.71-6,512.67-2,730.89

Finding the Fourth Proportional to 4,719.71, 6,512.67 and 2,730.89

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Solution

The fourth proportional to 4,719.71, 6,512.67 and 2,730.89 is: 3,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.71 : 6,512.67 = 2,730.89 : x
  2. Step 2: Convert to fraction form
    4,719.71/6,512.67 = 2,730.89/x
  3. Step 3: Cross multiply
    4,719.71x = 6,512.67 × 2,730.89
  4. Step 4: Simplify right side
    4,719.71x = 17,785,401.66
  5. Step 5: Solve for x
    x = 17,785,401.66/4,719.71
  6. Step 6: Final answer
    x = 3,768.32

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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.