Home / 7,206.50-10,790.30-4,081.88

Finding the Fourth Proportional to 7,206.50, 10,790.30 and 4,081.88

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Solution

The fourth proportional to 7,206.50, 10,790.30 and 4,081.88 is: 6,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.50 : 10,790.30 = 4,081.88 : x
  2. Step 2: Convert to fraction form
    7,206.50/10,790.30 = 4,081.88/x
  3. Step 3: Cross multiply
    7,206.50x = 10,790.30 × 4,081.88
  4. Step 4: Simplify right side
    7,206.50x = 44,044,709.76
  5. Step 5: Solve for x
    x = 44,044,709.76/7,206.50
  6. Step 6: Final answer
    x = 6,111.80

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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.