Home / 8,067.24-11,123.46-6,385.32

Finding the Fourth Proportional to 8,067.24, 11,123.46 and 6,385.32

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Solution

The fourth proportional to 8,067.24, 11,123.46 and 6,385.32 is: 8,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.24 : 11,123.46 = 6,385.32 : x
  2. Step 2: Convert to fraction form
    8,067.24/11,123.46 = 6,385.32/x
  3. Step 3: Cross multiply
    8,067.24x = 11,123.46 × 6,385.32
  4. Step 4: Simplify right side
    8,067.24x = 71,026,851.61
  5. Step 5: Solve for x
    x = 71,026,851.61/8,067.24
  6. Step 6: Final answer
    x = 8,804.36

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Half scale
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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.