Home / 4,073.78-6,107.67-1,298.85

Finding the Fourth Proportional to 4,073.78, 6,107.67 and 1,298.85

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Solution

The fourth proportional to 4,073.78, 6,107.67 and 1,298.85 is: 1,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.78 : 6,107.67 = 1,298.85 : x
  2. Step 2: Convert to fraction form
    4,073.78/6,107.67 = 1,298.85/x
  3. Step 3: Cross multiply
    4,073.78x = 6,107.67 × 1,298.85
  4. Step 4: Simplify right side
    4,073.78x = 7,932,958.63
  5. Step 5: Solve for x
    x = 7,932,958.63/4,073.78
  6. Step 6: Final answer
    x = 1,947.32

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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.