Home / 7,820.46-11,732.01-3,440.99

Finding the Fourth Proportional to 7,820.46, 11,732.01 and 3,440.99

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Solution

The fourth proportional to 7,820.46, 11,732.01 and 3,440.99 is: 5,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.46 : 11,732.01 = 3,440.99 : x
  2. Step 2: Convert to fraction form
    7,820.46/11,732.01 = 3,440.99/x
  3. Step 3: Cross multiply
    7,820.46x = 11,732.01 × 3,440.99
  4. Step 4: Simplify right side
    7,820.46x = 40,369,711.88
  5. Step 5: Solve for x
    x = 40,369,711.88/7,820.46
  6. Step 6: Final answer
    x = 5,162.06

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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.