Home / 4,773.71-7,157.68-2,140.74

Finding the Fourth Proportional to 4,773.71, 7,157.68 and 2,140.74

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Solution

The fourth proportional to 4,773.71, 7,157.68 and 2,140.74 is: 3,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.71 : 7,157.68 = 2,140.74 : x
  2. Step 2: Convert to fraction form
    4,773.71/7,157.68 = 2,140.74/x
  3. Step 3: Cross multiply
    4,773.71x = 7,157.68 × 2,140.74
  4. Step 4: Simplify right side
    4,773.71x = 15,322,731.88
  5. Step 5: Solve for x
    x = 15,322,731.88/4,773.71
  6. Step 6: Final answer
    x = 3,209.82

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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.