Home / 5,454.88-8,176.44-2,678.32

Finding the Fourth Proportional to 5,454.88, 8,176.44 and 2,678.32

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Solution

The fourth proportional to 5,454.88, 8,176.44 and 2,678.32 is: 4,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.88 : 8,176.44 = 2,678.32 : x
  2. Step 2: Convert to fraction form
    5,454.88/8,176.44 = 2,678.32/x
  3. Step 3: Cross multiply
    5,454.88x = 8,176.44 × 2,678.32
  4. Step 4: Simplify right side
    5,454.88x = 21,899,122.78
  5. Step 5: Solve for x
    x = 21,899,122.78/5,454.88
  6. Step 6: Final answer
    x = 4,014.59

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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.