Home / 4,780.13-7,170.19-1,493.48

Finding the Fourth Proportional to 4,780.13, 7,170.19 and 1,493.48

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Solution

The fourth proportional to 4,780.13, 7,170.19 and 1,493.48 is: 2,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.13 : 7,170.19 = 1,493.48 : x
  2. Step 2: Convert to fraction form
    4,780.13/7,170.19 = 1,493.48/x
  3. Step 3: Cross multiply
    4,780.13x = 7,170.19 × 1,493.48
  4. Step 4: Simplify right side
    4,780.13x = 10,708,532.75
  5. Step 5: Solve for x
    x = 10,708,532.75/4,780.13
  6. Step 6: Final answer
    x = 2,240.22

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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.