Home / 5,712.36-8,568.45-1,816.71

Finding the Fourth Proportional to 5,712.36, 8,568.45 and 1,816.71

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Solution

The fourth proportional to 5,712.36, 8,568.45 and 1,816.71 is: 2,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.36 : 8,568.45 = 1,816.71 : x
  2. Step 2: Convert to fraction form
    5,712.36/8,568.45 = 1,816.71/x
  3. Step 3: Cross multiply
    5,712.36x = 8,568.45 × 1,816.71
  4. Step 4: Simplify right side
    5,712.36x = 15,566,388.80
  5. Step 5: Solve for x
    x = 15,566,388.80/5,712.36
  6. Step 6: Final answer
    x = 2,725.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.