Home / 4,545.32-6,815.84-2,696.68

Finding the Fourth Proportional to 4,545.32, 6,815.84 and 2,696.68

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Solution

The fourth proportional to 4,545.32, 6,815.84 and 2,696.68 is: 4,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.32 : 6,815.84 = 2,696.68 : x
  2. Step 2: Convert to fraction form
    4,545.32/6,815.84 = 2,696.68/x
  3. Step 3: Cross multiply
    4,545.32x = 6,815.84 × 2,696.68
  4. Step 4: Simplify right side
    4,545.32x = 18,380,139.41
  5. Step 5: Solve for x
    x = 18,380,139.41/4,545.32
  6. Step 6: Final answer
    x = 4,043.75

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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.