Home / 5,871.58-8,102.78-3,218.93

Finding the Fourth Proportional to 5,871.58, 8,102.78 and 3,218.93

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Solution

The fourth proportional to 5,871.58, 8,102.78 and 3,218.93 is: 4,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.58 : 8,102.78 = 3,218.93 : x
  2. Step 2: Convert to fraction form
    5,871.58/8,102.78 = 3,218.93/x
  3. Step 3: Cross multiply
    5,871.58x = 8,102.78 × 3,218.93
  4. Step 4: Simplify right side
    5,871.58x = 26,082,255.40
  5. Step 5: Solve for x
    x = 26,082,255.40/5,871.58
  6. Step 6: Final answer
    x = 4,442.12

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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.