Home / 7,106.31-10,658.22-3,209.79

Finding the Fourth Proportional to 7,106.31, 10,658.22 and 3,209.79

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Solution

The fourth proportional to 7,106.31, 10,658.22 and 3,209.79 is: 4,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.31 : 10,658.22 = 3,209.79 : x
  2. Step 2: Convert to fraction form
    7,106.31/10,658.22 = 3,209.79/x
  3. Step 3: Cross multiply
    7,106.31x = 10,658.22 × 3,209.79
  4. Step 4: Simplify right side
    7,106.31x = 34,210,647.97
  5. Step 5: Solve for x
    x = 34,210,647.97/7,106.31
  6. Step 6: Final answer
    x = 4,814.12

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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.