Home / 6,639.68-9,949.80-4,036.34

Finding the Fourth Proportional to 6,639.68, 9,949.80 and 4,036.34

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Solution

The fourth proportional to 6,639.68, 9,949.80 and 4,036.34 is: 6,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.68 : 9,949.80 = 4,036.34 : x
  2. Step 2: Convert to fraction form
    6,639.68/9,949.80 = 4,036.34/x
  3. Step 3: Cross multiply
    6,639.68x = 9,949.80 × 4,036.34
  4. Step 4: Simplify right side
    6,639.68x = 40,160,775.73
  5. Step 5: Solve for x
    x = 40,160,775.73/6,639.68
  6. Step 6: Final answer
    x = 6,048.60

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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.