Home / 6,636.87-9,956.40-2,195.55

Finding the Fourth Proportional to 6,636.87, 9,956.40 and 2,195.55

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Solution

The fourth proportional to 6,636.87, 9,956.40 and 2,195.55 is: 3,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.87 : 9,956.40 = 2,195.55 : x
  2. Step 2: Convert to fraction form
    6,636.87/9,956.40 = 2,195.55/x
  3. Step 3: Cross multiply
    6,636.87x = 9,956.40 × 2,195.55
  4. Step 4: Simplify right side
    6,636.87x = 21,859,774.02
  5. Step 5: Solve for x
    x = 21,859,774.02/6,636.87
  6. Step 6: Final answer
    x = 3,293.69

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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.