Home / 8,635.36-12,951.12-3,370.51

Finding the Fourth Proportional to 8,635.36, 12,951.12 and 3,370.51

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Solution

The fourth proportional to 8,635.36, 12,951.12 and 3,370.51 is: 5,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.36 : 12,951.12 = 3,370.51 : x
  2. Step 2: Convert to fraction form
    8,635.36/12,951.12 = 3,370.51/x
  3. Step 3: Cross multiply
    8,635.36x = 12,951.12 × 3,370.51
  4. Step 4: Simplify right side
    8,635.36x = 43,651,879.47
  5. Step 5: Solve for x
    x = 43,651,879.47/8,635.36
  6. Step 6: Final answer
    x = 5,055.02

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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.