Home / 4,874.20-7,311.30-3,027.40

Finding the Fourth Proportional to 4,874.20, 7,311.30 and 3,027.40

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Solution

The fourth proportional to 4,874.20, 7,311.30 and 3,027.40 is: 4,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.20 : 7,311.30 = 3,027.40 : x
  2. Step 2: Convert to fraction form
    4,874.20/7,311.30 = 3,027.40/x
  3. Step 3: Cross multiply
    4,874.20x = 7,311.30 × 3,027.40
  4. Step 4: Simplify right side
    4,874.20x = 22,134,229.62
  5. Step 5: Solve for x
    x = 22,134,229.62/4,874.20
  6. Step 6: Final answer
    x = 4,541.10

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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.