Home / 4,878.76-7,320.32-2,283.88

Finding the Fourth Proportional to 4,878.76, 7,320.32 and 2,283.88

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Solution

The fourth proportional to 4,878.76, 7,320.32 and 2,283.88 is: 3,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.76 : 7,320.32 = 2,283.88 : x
  2. Step 2: Convert to fraction form
    4,878.76/7,320.32 = 2,283.88/x
  3. Step 3: Cross multiply
    4,878.76x = 7,320.32 × 2,283.88
  4. Step 4: Simplify right side
    4,878.76x = 16,718,732.44
  5. Step 5: Solve for x
    x = 16,718,732.44/4,878.76
  6. Step 6: Final answer
    x = 3,426.84

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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.