Home / 8,723.08-13,076.52-2,878.39

Finding the Fourth Proportional to 8,723.08, 13,076.52 and 2,878.39

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Solution

The fourth proportional to 8,723.08, 13,076.52 and 2,878.39 is: 4,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.08 : 13,076.52 = 2,878.39 : x
  2. Step 2: Convert to fraction form
    8,723.08/13,076.52 = 2,878.39/x
  3. Step 3: Cross multiply
    8,723.08x = 13,076.52 × 2,878.39
  4. Step 4: Simplify right side
    8,723.08x = 37,639,324.40
  5. Step 5: Solve for x
    x = 37,639,324.40/8,723.08
  6. Step 6: Final answer
    x = 4,314.91

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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.