Home / 6,520.08-8,997.60-3,687.42

Finding the Fourth Proportional to 6,520.08, 8,997.60 and 3,687.42

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Solution

The fourth proportional to 6,520.08, 8,997.60 and 3,687.42 is: 5,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.08 : 8,997.60 = 3,687.42 : x
  2. Step 2: Convert to fraction form
    6,520.08/8,997.60 = 3,687.42/x
  3. Step 3: Cross multiply
    6,520.08x = 8,997.60 × 3,687.42
  4. Step 4: Simplify right side
    6,520.08x = 33,177,930.19
  5. Step 5: Solve for x
    x = 33,177,930.19/6,520.08
  6. Step 6: Final answer
    x = 5,088.58

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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.