Home / 8,466.88-12,699.78-2,623

Finding the Fourth Proportional to 8,466.88, 12,699.78 and 2,623

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Solution

The fourth proportional to 8,466.88, 12,699.78 and 2,623 is: 3,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.88 : 12,699.78 = 2,623 : x
  2. Step 2: Convert to fraction form
    8,466.88/12,699.78 = 2,623/x
  3. Step 3: Cross multiply
    8,466.88x = 12,699.78 × 2,623
  4. Step 4: Simplify right side
    8,466.88x = 33,311,522.94
  5. Step 5: Solve for x
    x = 33,311,522.94/8,466.88
  6. Step 6: Final answer
    x = 3,934.33

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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.