Home / 5,181.04-7,768.76-2,709.92

Finding the Fourth Proportional to 5,181.04, 7,768.76 and 2,709.92

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Solution

The fourth proportional to 5,181.04, 7,768.76 and 2,709.92 is: 4,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.04 : 7,768.76 = 2,709.92 : x
  2. Step 2: Convert to fraction form
    5,181.04/7,768.76 = 2,709.92/x
  3. Step 3: Cross multiply
    5,181.04x = 7,768.76 × 2,709.92
  4. Step 4: Simplify right side
    5,181.04x = 21,052,718.10
  5. Step 5: Solve for x
    x = 21,052,718.10/5,181.04
  6. Step 6: Final answer
    x = 4,063.42

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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.