Home / 5,080.37-7,618.13-2,157.08

Finding the Fourth Proportional to 5,080.37, 7,618.13 and 2,157.08

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Solution

The fourth proportional to 5,080.37, 7,618.13 and 2,157.08 is: 3,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.37 : 7,618.13 = 2,157.08 : x
  2. Step 2: Convert to fraction form
    5,080.37/7,618.13 = 2,157.08/x
  3. Step 3: Cross multiply
    5,080.37x = 7,618.13 × 2,157.08
  4. Step 4: Simplify right side
    5,080.37x = 16,432,905.08
  5. Step 5: Solve for x
    x = 16,432,905.08/5,080.37
  6. Step 6: Final answer
    x = 3,234.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.