Home / 5,759.58-8,639.32-2,638.70

Finding the Fourth Proportional to 5,759.58, 8,639.32 and 2,638.70

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Solution

The fourth proportional to 5,759.58, 8,639.32 and 2,638.70 is: 3,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.58 : 8,639.32 = 2,638.70 : x
  2. Step 2: Convert to fraction form
    5,759.58/8,639.32 = 2,638.70/x
  3. Step 3: Cross multiply
    5,759.58x = 8,639.32 × 2,638.70
  4. Step 4: Simplify right side
    5,759.58x = 22,796,590.26
  5. Step 5: Solve for x
    x = 22,796,590.26/5,759.58
  6. Step 6: Final answer
    x = 3,958.03

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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.