Home / 8,633.13-12,946.95-2,788.38

Finding the Fourth Proportional to 8,633.13, 12,946.95 and 2,788.38

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Solution

The fourth proportional to 8,633.13, 12,946.95 and 2,788.38 is: 4,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.13 : 12,946.95 = 2,788.38 : x
  2. Step 2: Convert to fraction form
    8,633.13/12,946.95 = 2,788.38/x
  3. Step 3: Cross multiply
    8,633.13x = 12,946.95 × 2,788.38
  4. Step 4: Simplify right side
    8,633.13x = 36,101,016.44
  5. Step 5: Solve for x
    x = 36,101,016.44/8,633.13
  6. Step 6: Final answer
    x = 4,181.68

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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.