Home / 6,520.96-8,995.52-4,160.64

Finding the Fourth Proportional to 6,520.96, 8,995.52 and 4,160.64

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Solution

The fourth proportional to 6,520.96, 8,995.52 and 4,160.64 is: 5,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.96 : 8,995.52 = 4,160.64 : x
  2. Step 2: Convert to fraction form
    6,520.96/8,995.52 = 4,160.64/x
  3. Step 3: Cross multiply
    6,520.96x = 8,995.52 × 4,160.64
  4. Step 4: Simplify right side
    6,520.96x = 37,427,120.33
  5. Step 5: Solve for x
    x = 37,427,120.33/6,520.96
  6. Step 6: Final answer
    x = 5,739.51

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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.