Home / 5,093.81-7,641.11-2,172.14

Finding the Fourth Proportional to 5,093.81, 7,641.11 and 2,172.14

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Solution

The fourth proportional to 5,093.81, 7,641.11 and 2,172.14 is: 3,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.81 : 7,641.11 = 2,172.14 : x
  2. Step 2: Convert to fraction form
    5,093.81/7,641.11 = 2,172.14/x
  3. Step 3: Cross multiply
    5,093.81x = 7,641.11 × 2,172.14
  4. Step 4: Simplify right side
    5,093.81x = 16,597,527.90
  5. Step 5: Solve for x
    x = 16,597,527.90/5,093.81
  6. Step 6: Final answer
    x = 3,258.38

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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.