Home / 4,499.46-6,750.81-1,578.21

Finding the Fourth Proportional to 4,499.46, 6,750.81 and 1,578.21

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Solution

The fourth proportional to 4,499.46, 6,750.81 and 1,578.21 is: 2,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.46 : 6,750.81 = 1,578.21 : x
  2. Step 2: Convert to fraction form
    4,499.46/6,750.81 = 1,578.21/x
  3. Step 3: Cross multiply
    4,499.46x = 6,750.81 × 1,578.21
  4. Step 4: Simplify right side
    4,499.46x = 10,654,195.85
  5. Step 5: Solve for x
    x = 10,654,195.85/4,499.46
  6. Step 6: Final answer
    x = 2,367.88

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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.