Home / 4,847.85-6,688.78-2,959.30

Finding the Fourth Proportional to 4,847.85, 6,688.78 and 2,959.30

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Solution

The fourth proportional to 4,847.85, 6,688.78 and 2,959.30 is: 4,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.85 : 6,688.78 = 2,959.30 : x
  2. Step 2: Convert to fraction form
    4,847.85/6,688.78 = 2,959.30/x
  3. Step 3: Cross multiply
    4,847.85x = 6,688.78 × 2,959.30
  4. Step 4: Simplify right side
    4,847.85x = 19,794,107.62
  5. Step 5: Solve for x
    x = 19,794,107.62/4,847.85
  6. Step 6: Final answer
    x = 4,083.07

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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.