Home / 6,638.12-9,952.06-3,174.76

Finding the Fourth Proportional to 6,638.12, 9,952.06 and 3,174.76

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Solution

The fourth proportional to 6,638.12, 9,952.06 and 3,174.76 is: 4,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.12 : 9,952.06 = 3,174.76 : x
  2. Step 2: Convert to fraction form
    6,638.12/9,952.06 = 3,174.76/x
  3. Step 3: Cross multiply
    6,638.12x = 9,952.06 × 3,174.76
  4. Step 4: Simplify right side
    6,638.12x = 31,595,402.01
  5. Step 5: Solve for x
    x = 31,595,402.01/6,638.12
  6. Step 6: Final answer
    x = 4,759.69

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1.5x scale

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.