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Finding the Fourth Proportional to 6,406.04, 9,609.06 and 1,963.72

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Solution

The fourth proportional to 6,406.04, 9,609.06 and 1,963.72 is: 2,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.04 : 9,609.06 = 1,963.72 : x
  2. Step 2: Convert to fraction form
    6,406.04/9,609.06 = 1,963.72/x
  3. Step 3: Cross multiply
    6,406.04x = 9,609.06 × 1,963.72
  4. Step 4: Simplify right side
    6,406.04x = 18,869,448.68
  5. Step 5: Solve for x
    x = 18,869,448.68/6,406.04
  6. Step 6: Final answer
    x = 2,945.57

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Similar ratio
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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.