Home / 8,261.62-11,400.69-4,484.64

Finding the Fourth Proportional to 8,261.62, 11,400.69 and 4,484.64

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Solution

The fourth proportional to 8,261.62, 11,400.69 and 4,484.64 is: 6,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.62 : 11,400.69 = 4,484.64 : x
  2. Step 2: Convert to fraction form
    8,261.62/11,400.69 = 4,484.64/x
  3. Step 3: Cross multiply
    8,261.62x = 11,400.69 × 4,484.64
  4. Step 4: Simplify right side
    8,261.62x = 51,127,964.47
  5. Step 5: Solve for x
    x = 51,127,964.47/8,261.62
  6. Step 6: Final answer
    x = 6,188.61

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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.