Home / 8,418.36-12,628.98-2,573.64

Finding the Fourth Proportional to 8,418.36, 12,628.98 and 2,573.64

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Solution

The fourth proportional to 8,418.36, 12,628.98 and 2,573.64 is: 3,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.36 : 12,628.98 = 2,573.64 : x
  2. Step 2: Convert to fraction form
    8,418.36/12,628.98 = 2,573.64/x
  3. Step 3: Cross multiply
    8,418.36x = 12,628.98 × 2,573.64
  4. Step 4: Simplify right side
    8,418.36x = 32,502,448.09
  5. Step 5: Solve for x
    x = 32,502,448.09/8,418.36
  6. Step 6: Final answer
    x = 3,860.90

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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.