Home / 6,519.72-8,997.18-3,535.62

Finding the Fourth Proportional to 6,519.72, 8,997.18 and 3,535.62

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Solution

The fourth proportional to 6,519.72, 8,997.18 and 3,535.62 is: 4,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.72 : 8,997.18 = 3,535.62 : x
  2. Step 2: Convert to fraction form
    6,519.72/8,997.18 = 3,535.62/x
  3. Step 3: Cross multiply
    6,519.72x = 8,997.18 × 3,535.62
  4. Step 4: Simplify right side
    6,519.72x = 31,810,609.55
  5. Step 5: Solve for x
    x = 31,810,609.55/6,519.72
  6. Step 6: Final answer
    x = 4,879.14

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1.5x scale

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.