Home / 5,638.14-8,459.64-2,351.88

Finding the Fourth Proportional to 5,638.14, 8,459.64 and 2,351.88

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Solution

The fourth proportional to 5,638.14, 8,459.64 and 2,351.88 is: 3,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.14 : 8,459.64 = 2,351.88 : x
  2. Step 2: Convert to fraction form
    5,638.14/8,459.64 = 2,351.88/x
  3. Step 3: Cross multiply
    5,638.14x = 8,459.64 × 2,351.88
  4. Step 4: Simplify right side
    5,638.14x = 19,896,058.12
  5. Step 5: Solve for x
    x = 19,896,058.12/5,638.14
  6. Step 6: Final answer
    x = 3,528.83

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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.