Home / 8,270.44-11,406.58-5,440.73

Finding the Fourth Proportional to 8,270.44, 11,406.58 and 5,440.73

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Solution

The fourth proportional to 8,270.44, 11,406.58 and 5,440.73 is: 7,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.44 : 11,406.58 = 5,440.73 : x
  2. Step 2: Convert to fraction form
    8,270.44/11,406.58 = 5,440.73/x
  3. Step 3: Cross multiply
    8,270.44x = 11,406.58 × 5,440.73
  4. Step 4: Simplify right side
    8,270.44x = 62,060,051.37
  5. Step 5: Solve for x
    x = 62,060,051.37/8,270.44
  6. Step 6: Final answer
    x = 7,503.84

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Find fourth proportional to 8,271.44, 11,407.96 and 5,441.73
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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.