Home / 6,638.20-9,952.01-3,126.36

Finding the Fourth Proportional to 6,638.20, 9,952.01 and 3,126.36

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Solution

The fourth proportional to 6,638.20, 9,952.01 and 3,126.36 is: 4,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.20 : 9,952.01 = 3,126.36 : x
  2. Step 2: Convert to fraction form
    6,638.20/9,952.01 = 3,126.36/x
  3. Step 3: Cross multiply
    6,638.20x = 9,952.01 × 3,126.36
  4. Step 4: Simplify right side
    6,638.20x = 31,113,565.98
  5. Step 5: Solve for x
    x = 31,113,565.98/6,638.20
  6. Step 6: Final answer
    x = 4,687.05

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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.