Home / 4,780.12-7,171.20-1,493.46

Finding the Fourth Proportional to 4,780.12, 7,171.20 and 1,493.46

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Solution

The fourth proportional to 4,780.12, 7,171.20 and 1,493.46 is: 2,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.12 : 7,171.20 = 1,493.46 : x
  2. Step 2: Convert to fraction form
    4,780.12/7,171.20 = 1,493.46/x
  3. Step 3: Cross multiply
    4,780.12x = 7,171.20 × 1,493.46
  4. Step 4: Simplify right side
    4,780.12x = 10,709,923.04
  5. Step 5: Solve for x
    x = 10,709,923.04/4,780.12
  6. Step 6: Final answer
    x = 2,240.51

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1.5x scale

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.