Home / 8,429.64-11,631.52-5,071.64

Finding the Fourth Proportional to 8,429.64, 11,631.52 and 5,071.64

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Solution

The fourth proportional to 8,429.64, 11,631.52 and 5,071.64 is: 6,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.64 : 11,631.52 = 5,071.64 : x
  2. Step 2: Convert to fraction form
    8,429.64/11,631.52 = 5,071.64/x
  3. Step 3: Cross multiply
    8,429.64x = 11,631.52 × 5,071.64
  4. Step 4: Simplify right side
    8,429.64x = 58,990,882.09
  5. Step 5: Solve for x
    x = 58,990,882.09/8,429.64
  6. Step 6: Final answer
    x = 6,998.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.