Home / 8,633.21-12,948.89-2,788.44

Finding the Fourth Proportional to 8,633.21, 12,948.89 and 2,788.44

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Solution

The fourth proportional to 8,633.21, 12,948.89 and 2,788.44 is: 4,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.21 : 12,948.89 = 2,788.44 : x
  2. Step 2: Convert to fraction form
    8,633.21/12,948.89 = 2,788.44/x
  3. Step 3: Cross multiply
    8,633.21x = 12,948.89 × 2,788.44
  4. Step 4: Simplify right side
    8,633.21x = 36,107,188.89
  5. Step 5: Solve for x
    x = 36,107,188.89/8,633.21
  6. Step 6: Final answer
    x = 4,182.36

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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.