Home / 4,780.15-7,170.44-1,493.31

Finding the Fourth Proportional to 4,780.15, 7,170.44 and 1,493.31

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Solution

The fourth proportional to 4,780.15, 7,170.44 and 1,493.31 is: 2,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.15 : 7,170.44 = 1,493.31 : x
  2. Step 2: Convert to fraction form
    4,780.15/7,170.44 = 1,493.31/x
  3. Step 3: Cross multiply
    4,780.15x = 7,170.44 × 1,493.31
  4. Step 4: Simplify right side
    4,780.15x = 10,707,689.76
  5. Step 5: Solve for x
    x = 10,707,689.76/4,780.15
  6. Step 6: Final answer
    x = 2,240.03

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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.