Home / 4,278.54-6,423.24-2,881.92

Finding the Fourth Proportional to 4,278.54, 6,423.24 and 2,881.92

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Solution

The fourth proportional to 4,278.54, 6,423.24 and 2,881.92 is: 4,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.54 : 6,423.24 = 2,881.92 : x
  2. Step 2: Convert to fraction form
    4,278.54/6,423.24 = 2,881.92/x
  3. Step 3: Cross multiply
    4,278.54x = 6,423.24 × 2,881.92
  4. Step 4: Simplify right side
    4,278.54x = 18,511,263.82
  5. Step 5: Solve for x
    x = 18,511,263.82/4,278.54
  6. Step 6: Final answer
    x = 4,326.54

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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.