Home / 5,871.41-8,102.60-3,218.87

Finding the Fourth Proportional to 5,871.41, 8,102.60 and 3,218.87

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Solution

The fourth proportional to 5,871.41, 8,102.60 and 3,218.87 is: 4,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.41 : 8,102.60 = 3,218.87 : x
  2. Step 2: Convert to fraction form
    5,871.41/8,102.60 = 3,218.87/x
  3. Step 3: Cross multiply
    5,871.41x = 8,102.60 × 3,218.87
  4. Step 4: Simplify right side
    5,871.41x = 26,081,159.45
  5. Step 5: Solve for x
    x = 26,081,159.45/5,871.41
  6. Step 6: Final answer
    x = 4,442.06

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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.