Home / 6,132.72-9,198.90-1,515.72

Finding the Fourth Proportional to 6,132.72, 9,198.90 and 1,515.72

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Solution

The fourth proportional to 6,132.72, 9,198.90 and 1,515.72 is: 2,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,132.72 : 9,198.90 = 1,515.72 : x
  2. Step 2: Convert to fraction form
    6,132.72/9,198.90 = 1,515.72/x
  3. Step 3: Cross multiply
    6,132.72x = 9,198.90 × 1,515.72
  4. Step 4: Simplify right side
    6,132.72x = 13,942,956.71
  5. Step 5: Solve for x
    x = 13,942,956.71/6,132.72
  6. Step 6: Final answer
    x = 2,273.54

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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.