Home / 5,181.72-7,768.32-2,060.39

Finding the Fourth Proportional to 5,181.72, 7,768.32 and 2,060.39

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Solution

The fourth proportional to 5,181.72, 7,768.32 and 2,060.39 is: 3,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.72 : 7,768.32 = 2,060.39 : x
  2. Step 2: Convert to fraction form
    5,181.72/7,768.32 = 2,060.39/x
  3. Step 3: Cross multiply
    5,181.72x = 7,768.32 × 2,060.39
  4. Step 4: Simplify right side
    5,181.72x = 16,005,730.00
  5. Step 5: Solve for x
    x = 16,005,730.00/5,181.72
  6. Step 6: Final answer
    x = 3,088.88

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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.