Home / 6,419.26-9,628.92-1,976.87

Finding the Fourth Proportional to 6,419.26, 9,628.92 and 1,976.87

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Solution

The fourth proportional to 6,419.26, 9,628.92 and 1,976.87 is: 2,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.26 : 9,628.92 = 1,976.87 : x
  2. Step 2: Convert to fraction form
    6,419.26/9,628.92 = 1,976.87/x
  3. Step 3: Cross multiply
    6,419.26x = 9,628.92 × 1,976.87
  4. Step 4: Simplify right side
    6,419.26x = 19,035,123.08
  5. Step 5: Solve for x
    x = 19,035,123.08/6,419.26
  6. Step 6: Final answer
    x = 2,965.31

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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.