Home / 4,912.35-7,370.42-2,281.20

Finding the Fourth Proportional to 4,912.35, 7,370.42 and 2,281.20

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Solution

The fourth proportional to 4,912.35, 7,370.42 and 2,281.20 is: 3,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.35 : 7,370.42 = 2,281.20 : x
  2. Step 2: Convert to fraction form
    4,912.35/7,370.42 = 2,281.20/x
  3. Step 3: Cross multiply
    4,912.35x = 7,370.42 × 2,281.20
  4. Step 4: Simplify right side
    4,912.35x = 16,813,390.70
  5. Step 5: Solve for x
    x = 16,813,390.70/4,912.35
  6. Step 6: Final answer
    x = 3,422.68

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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.