Home / 8,434.44-12,653.31-3,239.88

Finding the Fourth Proportional to 8,434.44, 12,653.31 and 3,239.88

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Solution

The fourth proportional to 8,434.44, 12,653.31 and 3,239.88 is: 4,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.44 : 12,653.31 = 3,239.88 : x
  2. Step 2: Convert to fraction form
    8,434.44/12,653.31 = 3,239.88/x
  3. Step 3: Cross multiply
    8,434.44x = 12,653.31 × 3,239.88
  4. Step 4: Simplify right side
    8,434.44x = 40,995,206.00
  5. Step 5: Solve for x
    x = 40,995,206.00/8,434.44
  6. Step 6: Final answer
    x = 4,860.45

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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.