Home / 5,825.71-8,039.47-3,173.11

Finding the Fourth Proportional to 5,825.71, 8,039.47 and 3,173.11

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Solution

The fourth proportional to 5,825.71, 8,039.47 and 3,173.11 is: 4,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.71 : 8,039.47 = 3,173.11 : x
  2. Step 2: Convert to fraction form
    5,825.71/8,039.47 = 3,173.11/x
  3. Step 3: Cross multiply
    5,825.71x = 8,039.47 × 3,173.11
  4. Step 4: Simplify right side
    5,825.71x = 25,510,145.79
  5. Step 5: Solve for x
    x = 25,510,145.79/5,825.71
  6. Step 6: Final answer
    x = 4,378.89

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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.