Home / 5,513.04-8,268.24-2,181.18

Finding the Fourth Proportional to 5,513.04, 8,268.24 and 2,181.18

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Solution

The fourth proportional to 5,513.04, 8,268.24 and 2,181.18 is: 3,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.04 : 8,268.24 = 2,181.18 : x
  2. Step 2: Convert to fraction form
    5,513.04/8,268.24 = 2,181.18/x
  3. Step 3: Cross multiply
    5,513.04x = 8,268.24 × 2,181.18
  4. Step 4: Simplify right side
    5,513.04x = 18,034,519.72
  5. Step 5: Solve for x
    x = 18,034,519.72/5,513.04
  6. Step 6: Final answer
    x = 3,271.25

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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.