Home / 4,487.39-6,714.67-2,639.37

Finding the Fourth Proportional to 4,487.39, 6,714.67 and 2,639.37

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Solution

The fourth proportional to 4,487.39, 6,714.67 and 2,639.37 is: 3,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.39 : 6,714.67 = 2,639.37 : x
  2. Step 2: Convert to fraction form
    4,487.39/6,714.67 = 2,639.37/x
  3. Step 3: Cross multiply
    4,487.39x = 6,714.67 × 2,639.37
  4. Step 4: Simplify right side
    4,487.39x = 17,722,498.56
  5. Step 5: Solve for x
    x = 17,722,498.56/4,487.39
  6. Step 6: Final answer
    x = 3,949.40

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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.