Home / 4,780.14-7,171.08-1,493.22

Finding the Fourth Proportional to 4,780.14, 7,171.08 and 1,493.22

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Solution

The fourth proportional to 4,780.14, 7,171.08 and 1,493.22 is: 2,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.14 : 7,171.08 = 1,493.22 : x
  2. Step 2: Convert to fraction form
    4,780.14/7,171.08 = 1,493.22/x
  3. Step 3: Cross multiply
    4,780.14x = 7,171.08 × 1,493.22
  4. Step 4: Simplify right side
    4,780.14x = 10,708,000.08
  5. Step 5: Solve for x
    x = 10,708,000.08/4,780.14
  6. Step 6: Final answer
    x = 2,240.10

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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.