Home / 4,471.47-6,708.35-3,157.79

Finding the Fourth Proportional to 4,471.47, 6,708.35 and 3,157.79

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Solution

The fourth proportional to 4,471.47, 6,708.35 and 3,157.79 is: 4,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471.47 : 6,708.35 = 3,157.79 : x
  2. Step 2: Convert to fraction form
    4,471.47/6,708.35 = 3,157.79/x
  3. Step 3: Cross multiply
    4,471.47x = 6,708.35 × 3,157.79
  4. Step 4: Simplify right side
    4,471.47x = 21,183,511.22
  5. Step 5: Solve for x
    x = 21,183,511.22/4,471.47
  6. Step 6: Final answer
    x = 4,737.48

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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.