Home / 6,639.60-9,946.32-3,708.96

Finding the Fourth Proportional to 6,639.60, 9,946.32 and 3,708.96

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Solution

The fourth proportional to 6,639.60, 9,946.32 and 3,708.96 is: 5,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.60 : 9,946.32 = 3,708.96 : x
  2. Step 2: Convert to fraction form
    6,639.60/9,946.32 = 3,708.96/x
  3. Step 3: Cross multiply
    6,639.60x = 9,946.32 × 3,708.96
  4. Step 4: Simplify right side
    6,639.60x = 36,890,503.03
  5. Step 5: Solve for x
    x = 36,890,503.03/6,639.60
  6. Step 6: Final answer
    x = 5,556.13

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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.