Home / 5,454.84-8,167.44-4,278.60

Finding the Fourth Proportional to 5,454.84, 8,167.44 and 4,278.60

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Solution

The fourth proportional to 5,454.84, 8,167.44 and 4,278.60 is: 6,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.84 : 8,167.44 = 4,278.60 : x
  2. Step 2: Convert to fraction form
    5,454.84/8,167.44 = 4,278.60/x
  3. Step 3: Cross multiply
    5,454.84x = 8,167.44 × 4,278.60
  4. Step 4: Simplify right side
    5,454.84x = 34,945,208.78
  5. Step 5: Solve for x
    x = 34,945,208.78/5,454.84
  6. Step 6: Final answer
    x = 6,406.28

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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.