Home / 4,909.73-7,364.55-1,211.99

Finding the Fourth Proportional to 4,909.73, 7,364.55 and 1,211.99

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Solution

The fourth proportional to 4,909.73, 7,364.55 and 1,211.99 is: 1,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.73 : 7,364.55 = 1,211.99 : x
  2. Step 2: Convert to fraction form
    4,909.73/7,364.55 = 1,211.99/x
  3. Step 3: Cross multiply
    4,909.73x = 7,364.55 × 1,211.99
  4. Step 4: Simplify right side
    4,909.73x = 8,925,760.95
  5. Step 5: Solve for x
    x = 8,925,760.95/4,909.73
  6. Step 6: Final answer
    x = 1,817.97

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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.