Home / 4,653.80-6,979.90-1,730.60

Finding the Fourth Proportional to 4,653.80, 6,979.90 and 1,730.60

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Solution

The fourth proportional to 4,653.80, 6,979.90 and 1,730.60 is: 2,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.80 : 6,979.90 = 1,730.60 : x
  2. Step 2: Convert to fraction form
    4,653.80/6,979.90 = 1,730.60/x
  3. Step 3: Cross multiply
    4,653.80x = 6,979.90 × 1,730.60
  4. Step 4: Simplify right side
    4,653.80x = 12,079,414.94
  5. Step 5: Solve for x
    x = 12,079,414.94/4,653.80
  6. Step 6: Final answer
    x = 2,595.60

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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.