Home / 4,639.26-6,398.52-2,869.80

Finding the Fourth Proportional to 4,639.26, 6,398.52 and 2,869.80

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Solution

The fourth proportional to 4,639.26, 6,398.52 and 2,869.80 is: 3,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.26 : 6,398.52 = 2,869.80 : x
  2. Step 2: Convert to fraction form
    4,639.26/6,398.52 = 2,869.80/x
  3. Step 3: Cross multiply
    4,639.26x = 6,398.52 × 2,869.80
  4. Step 4: Simplify right side
    4,639.26x = 18,362,472.70
  5. Step 5: Solve for x
    x = 18,362,472.70/4,639.26
  6. Step 6: Final answer
    x = 3,958.06

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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.