Home / 5,513.68-8,271.66-1,816.14

Finding the Fourth Proportional to 5,513.68, 8,271.66 and 1,816.14

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Solution

The fourth proportional to 5,513.68, 8,271.66 and 1,816.14 is: 2,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.68 : 8,271.66 = 1,816.14 : x
  2. Step 2: Convert to fraction form
    5,513.68/8,271.66 = 1,816.14/x
  3. Step 3: Cross multiply
    5,513.68x = 8,271.66 × 1,816.14
  4. Step 4: Simplify right side
    5,513.68x = 15,022,451.23
  5. Step 5: Solve for x
    x = 15,022,451.23/5,513.68
  6. Step 6: Final answer
    x = 2,724.58

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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.