Home / 5,181.47-7,150.58-2,823.76

Finding the Fourth Proportional to 5,181.47, 7,150.58 and 2,823.76

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Solution

The fourth proportional to 5,181.47, 7,150.58 and 2,823.76 is: 3,896.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.47 : 7,150.58 = 2,823.76 : x
  2. Step 2: Convert to fraction form
    5,181.47/7,150.58 = 2,823.76/x
  3. Step 3: Cross multiply
    5,181.47x = 7,150.58 × 2,823.76
  4. Step 4: Simplify right side
    5,181.47x = 20,191,527.19
  5. Step 5: Solve for x
    x = 20,191,527.19/5,181.47
  6. Step 6: Final answer
    x = 3,896.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.