Home / 4,878.59-6,730.80-3,176.31

Finding the Fourth Proportional to 4,878.59, 6,730.80 and 3,176.31

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Solution

The fourth proportional to 4,878.59, 6,730.80 and 3,176.31 is: 4,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.59 : 6,730.80 = 3,176.31 : x
  2. Step 2: Convert to fraction form
    4,878.59/6,730.80 = 3,176.31/x
  3. Step 3: Cross multiply
    4,878.59x = 6,730.80 × 3,176.31
  4. Step 4: Simplify right side
    4,878.59x = 21,379,147.48
  5. Step 5: Solve for x
    x = 21,379,147.48/4,878.59
  6. Step 6: Final answer
    x = 4,382.24

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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.