Home / 5,872.31-8,103.76-3,183.60

Finding the Fourth Proportional to 5,872.31, 8,103.76 and 3,183.60

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Solution

The fourth proportional to 5,872.31, 8,103.76 and 3,183.60 is: 4,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.31 : 8,103.76 = 3,183.60 : x
  2. Step 2: Convert to fraction form
    5,872.31/8,103.76 = 3,183.60/x
  3. Step 3: Cross multiply
    5,872.31x = 8,103.76 × 3,183.60
  4. Step 4: Simplify right side
    5,872.31x = 25,799,130.34
  5. Step 5: Solve for x
    x = 25,799,130.34/5,872.31
  6. Step 6: Final answer
    x = 4,393.35

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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.