Home / 6,431.36-9,646.62-2,051.96

Finding the Fourth Proportional to 6,431.36, 9,646.62 and 2,051.96

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Solution

The fourth proportional to 6,431.36, 9,646.62 and 2,051.96 is: 3,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.36 : 9,646.62 = 2,051.96 : x
  2. Step 2: Convert to fraction form
    6,431.36/9,646.62 = 2,051.96/x
  3. Step 3: Cross multiply
    6,431.36x = 9,646.62 × 2,051.96
  4. Step 4: Simplify right side
    6,431.36x = 19,794,478.38
  5. Step 5: Solve for x
    x = 19,794,478.38/6,431.36
  6. Step 6: Final answer
    x = 3,077.81

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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.