Home / 4,861.60-7,282.80-3,306.40

Finding the Fourth Proportional to 4,861.60, 7,282.80 and 3,306.40

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Solution

The fourth proportional to 4,861.60, 7,282.80 and 3,306.40 is: 4,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.60 : 7,282.80 = 3,306.40 : x
  2. Step 2: Convert to fraction form
    4,861.60/7,282.80 = 3,306.40/x
  3. Step 3: Cross multiply
    4,861.60x = 7,282.80 × 3,306.40
  4. Step 4: Simplify right side
    4,861.60x = 24,079,849.92
  5. Step 5: Solve for x
    x = 24,079,849.92/4,861.60
  6. Step 6: Final answer
    x = 4,953.07

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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.