Home / 5,480.72-8,226.56-2,561.08

Finding the Fourth Proportional to 5,480.72, 8,226.56 and 2,561.08

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Solution

The fourth proportional to 5,480.72, 8,226.56 and 2,561.08 is: 3,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.72 : 8,226.56 = 2,561.08 : x
  2. Step 2: Convert to fraction form
    5,480.72/8,226.56 = 2,561.08/x
  3. Step 3: Cross multiply
    5,480.72x = 8,226.56 × 2,561.08
  4. Step 4: Simplify right side
    5,480.72x = 21,068,878.28
  5. Step 5: Solve for x
    x = 21,068,878.28/5,480.72
  6. Step 6: Final answer
    x = 3,844.18

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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.