Home / 4,981.62-7,475.19-1,861.50

Finding the Fourth Proportional to 4,981.62, 7,475.19 and 1,861.50

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Solution

The fourth proportional to 4,981.62, 7,475.19 and 1,861.50 is: 2,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.62 : 7,475.19 = 1,861.50 : x
  2. Step 2: Convert to fraction form
    4,981.62/7,475.19 = 1,861.50/x
  3. Step 3: Cross multiply
    4,981.62x = 7,475.19 × 1,861.50
  4. Step 4: Simplify right side
    4,981.62x = 13,915,066.19
  5. Step 5: Solve for x
    x = 13,915,066.19/4,981.62
  6. Step 6: Final answer
    x = 2,793.28

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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.