Home / 4,069.90-6,107.79-3,147.70

Finding the Fourth Proportional to 4,069.90, 6,107.79 and 3,147.70

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Solution

The fourth proportional to 4,069.90, 6,107.79 and 3,147.70 is: 4,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.90 : 6,107.79 = 3,147.70 : x
  2. Step 2: Convert to fraction form
    4,069.90/6,107.79 = 3,147.70/x
  3. Step 3: Cross multiply
    4,069.90x = 6,107.79 × 3,147.70
  4. Step 4: Simplify right side
    4,069.90x = 19,225,490.58
  5. Step 5: Solve for x
    x = 19,225,490.58/4,069.90
  6. Step 6: Final answer
    x = 4,723.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.