Home / 4,969.05-6,856.70-2,730.56

Finding the Fourth Proportional to 4,969.05, 6,856.70 and 2,730.56

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Solution

The fourth proportional to 4,969.05, 6,856.70 and 2,730.56 is: 3,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.05 : 6,856.70 = 2,730.56 : x
  2. Step 2: Convert to fraction form
    4,969.05/6,856.70 = 2,730.56/x
  3. Step 3: Cross multiply
    4,969.05x = 6,856.70 × 2,730.56
  4. Step 4: Simplify right side
    4,969.05x = 18,722,636.74
  5. Step 5: Solve for x
    x = 18,722,636.74/4,969.05
  6. Step 6: Final answer
    x = 3,767.85

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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.