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Finding the Fourth Proportional to 8,295.80, 11,449.77 and 4,761.32

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Solution

The fourth proportional to 8,295.80, 11,449.77 and 4,761.32 is: 6,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.80 : 11,449.77 = 4,761.32 : x
  2. Step 2: Convert to fraction form
    8,295.80/11,449.77 = 4,761.32/x
  3. Step 3: Cross multiply
    8,295.80x = 11,449.77 × 4,761.32
  4. Step 4: Simplify right side
    8,295.80x = 54,516,018.90
  5. Step 5: Solve for x
    x = 54,516,018.90/8,295.80
  6. Step 6: Final answer
    x = 6,571.52

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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.