Home / 6,520.09-8,997.67-3,535.92

Finding the Fourth Proportional to 6,520.09, 8,997.67 and 3,535.92

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Solution

The fourth proportional to 6,520.09, 8,997.67 and 3,535.92 is: 4,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.09 : 8,997.67 = 3,535.92 : x
  2. Step 2: Convert to fraction form
    6,520.09/8,997.67 = 3,535.92/x
  3. Step 3: Cross multiply
    6,520.09x = 8,997.67 × 3,535.92
  4. Step 4: Simplify right side
    6,520.09x = 31,815,041.31
  5. Step 5: Solve for x
    x = 31,815,041.31/6,520.09
  6. Step 6: Final answer
    x = 4,879.54

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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.