Home / 8,321.23-12,484.58-3,881.01

Finding the Fourth Proportional to 8,321.23, 12,484.58 and 3,881.01

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Solution

The fourth proportional to 8,321.23, 12,484.58 and 3,881.01 is: 5,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.23 : 12,484.58 = 3,881.01 : x
  2. Step 2: Convert to fraction form
    8,321.23/12,484.58 = 3,881.01/x
  3. Step 3: Cross multiply
    8,321.23x = 12,484.58 × 3,881.01
  4. Step 4: Simplify right side
    8,321.23x = 48,452,829.07
  5. Step 5: Solve for x
    x = 48,452,829.07/8,321.23
  6. Step 6: Final answer
    x = 5,822.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.