Home / 5,513.93-8,272.04-1,816.38

Finding the Fourth Proportional to 5,513.93, 8,272.04 and 1,816.38

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Solution

The fourth proportional to 5,513.93, 8,272.04 and 1,816.38 is: 2,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.93 : 8,272.04 = 1,816.38 : x
  2. Step 2: Convert to fraction form
    5,513.93/8,272.04 = 1,816.38/x
  3. Step 3: Cross multiply
    5,513.93x = 8,272.04 × 1,816.38
  4. Step 4: Simplify right side
    5,513.93x = 15,025,168.02
  5. Step 5: Solve for x
    x = 15,025,168.02/5,513.93
  6. Step 6: Final answer
    x = 2,724.95

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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.