Home / 4,815.50-6,645.40-2,719.58

Finding the Fourth Proportional to 4,815.50, 6,645.40 and 2,719.58

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Solution

The fourth proportional to 4,815.50, 6,645.40 and 2,719.58 is: 3,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.50 : 6,645.40 = 2,719.58 : x
  2. Step 2: Convert to fraction form
    4,815.50/6,645.40 = 2,719.58/x
  3. Step 3: Cross multiply
    4,815.50x = 6,645.40 × 2,719.58
  4. Step 4: Simplify right side
    4,815.50x = 18,072,696.93
  5. Step 5: Solve for x
    x = 18,072,696.93/4,815.50
  6. Step 6: Final answer
    x = 3,753.03

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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.