Home / 4,917-6,785.46-2,709

Finding the Fourth Proportional to 4,917, 6,785.46 and 2,709

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Solution

The fourth proportional to 4,917, 6,785.46 and 2,709 is: 3,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917 : 6,785.46 = 2,709 : x
  2. Step 2: Convert to fraction form
    4,917/6,785.46 = 2,709/x
  3. Step 3: Cross multiply
    4,917x = 6,785.46 × 2,709
  4. Step 4: Simplify right side
    4,917x = 18,381,811.14
  5. Step 5: Solve for x
    x = 18,381,811.14/4,917
  6. Step 6: Final answer
    x = 3,738.42

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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.