Home / 6,520.05-8,997.59-3,535.80

Finding the Fourth Proportional to 6,520.05, 8,997.59 and 3,535.80

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Solution

The fourth proportional to 6,520.05, 8,997.59 and 3,535.80 is: 4,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.05 : 8,997.59 = 3,535.80 : x
  2. Step 2: Convert to fraction form
    6,520.05/8,997.59 = 3,535.80/x
  3. Step 3: Cross multiply
    6,520.05x = 8,997.59 × 3,535.80
  4. Step 4: Simplify right side
    6,520.05x = 31,813,661.04
  5. Step 5: Solve for x
    x = 31,813,661.04/6,520.05
  6. Step 6: Final answer
    x = 4,879.36

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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.