Home / 4,878.52-6,732.84-2,782.96

Finding the Fourth Proportional to 4,878.52, 6,732.84 and 2,782.96

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Solution

The fourth proportional to 4,878.52, 6,732.84 and 2,782.96 is: 3,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.52 : 6,732.84 = 2,782.96 : x
  2. Step 2: Convert to fraction form
    4,878.52/6,732.84 = 2,782.96/x
  3. Step 3: Cross multiply
    4,878.52x = 6,732.84 × 2,782.96
  4. Step 4: Simplify right side
    4,878.52x = 18,737,224.41
  5. Step 5: Solve for x
    x = 18,737,224.41/4,878.52
  6. Step 6: Final answer
    x = 3,840.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.