Home / 8,272.25-11,415.77-4,495.41

Finding the Fourth Proportional to 8,272.25, 11,415.77 and 4,495.41

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Solution

The fourth proportional to 8,272.25, 11,415.77 and 4,495.41 is: 6,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.25 : 11,415.77 = 4,495.41 : x
  2. Step 2: Convert to fraction form
    8,272.25/11,415.77 = 4,495.41/x
  3. Step 3: Cross multiply
    8,272.25x = 11,415.77 × 4,495.41
  4. Step 4: Simplify right side
    8,272.25x = 51,318,566.62
  5. Step 5: Solve for x
    x = 51,318,566.62/8,272.25
  6. Step 6: Final answer
    x = 6,203.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.