Home / 8,336.36-12,495.11-2,788.40

Finding the Fourth Proportional to 8,336.36, 12,495.11 and 2,788.40

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Solution

The fourth proportional to 8,336.36, 12,495.11 and 2,788.40 is: 4,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.36 : 12,495.11 = 2,788.40 : x
  2. Step 2: Convert to fraction form
    8,336.36/12,495.11 = 2,788.40/x
  3. Step 3: Cross multiply
    8,336.36x = 12,495.11 × 2,788.40
  4. Step 4: Simplify right side
    8,336.36x = 34,841,288.31
  5. Step 5: Solve for x
    x = 34,841,288.31/8,336.36
  6. Step 6: Final answer
    x = 4,179.44

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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.