Home / 8,448.32-11,651.60-6,328.83

Finding the Fourth Proportional to 8,448.32, 11,651.60 and 6,328.83

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Solution

The fourth proportional to 8,448.32, 11,651.60 and 6,328.83 is: 8,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.32 : 11,651.60 = 6,328.83 : x
  2. Step 2: Convert to fraction form
    8,448.32/11,651.60 = 6,328.83/x
  3. Step 3: Cross multiply
    8,448.32x = 11,651.60 × 6,328.83
  4. Step 4: Simplify right side
    8,448.32x = 73,740,963.98
  5. Step 5: Solve for x
    x = 73,740,963.98/8,448.32
  6. Step 6: Final answer
    x = 8,728.48

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Half scale
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Double scale
Find fourth proportional to 8,449.32, 11,652.97 and 6,329.83
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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.