Home / 8,784.30-13,161.87-6,181.77

Finding the Fourth Proportional to 8,784.30, 13,161.87 and 6,181.77

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Solution

The fourth proportional to 8,784.30, 13,161.87 and 6,181.77 is: 9,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.30 : 13,161.87 = 6,181.77 : x
  2. Step 2: Convert to fraction form
    8,784.30/13,161.87 = 6,181.77/x
  3. Step 3: Cross multiply
    8,784.30x = 13,161.87 × 6,181.77
  4. Step 4: Simplify right side
    8,784.30x = 81,363,653.11
  5. Step 5: Solve for x
    x = 81,363,653.11/8,784.30
  6. Step 6: Final answer
    x = 9,262.39

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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.