Home / 4,920.76-7,380.60-3,068.20

Finding the Fourth Proportional to 4,920.76, 7,380.60 and 3,068.20

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Solution

The fourth proportional to 4,920.76, 7,380.60 and 3,068.20 is: 4,601.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.76 : 7,380.60 = 3,068.20 : x
  2. Step 2: Convert to fraction form
    4,920.76/7,380.60 = 3,068.20/x
  3. Step 3: Cross multiply
    4,920.76x = 7,380.60 × 3,068.20
  4. Step 4: Simplify right side
    4,920.76x = 22,645,156.92
  5. Step 5: Solve for x
    x = 22,645,156.92/4,920.76
  6. Step 6: Final answer
    x = 4,601.96

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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.