Home / 4,878.20-6,730.73-2,963.98

Finding the Fourth Proportional to 4,878.20, 6,730.73 and 2,963.98

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Solution

The fourth proportional to 4,878.20, 6,730.73 and 2,963.98 is: 4,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.20 : 6,730.73 = 2,963.98 : x
  2. Step 2: Convert to fraction form
    4,878.20/6,730.73 = 2,963.98/x
  3. Step 3: Cross multiply
    4,878.20x = 6,730.73 × 2,963.98
  4. Step 4: Simplify right side
    4,878.20x = 19,949,715.45
  5. Step 5: Solve for x
    x = 19,949,715.45/4,878.20
  6. Step 6: Final answer
    x = 4,089.57

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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.