Home / 7,421.97-11,107.17-4,609.65

Finding the Fourth Proportional to 7,421.97, 11,107.17 and 4,609.65

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Solution

The fourth proportional to 7,421.97, 11,107.17 and 4,609.65 is: 6,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.97 : 11,107.17 = 4,609.65 : x
  2. Step 2: Convert to fraction form
    7,421.97/11,107.17 = 4,609.65/x
  3. Step 3: Cross multiply
    7,421.97x = 11,107.17 × 4,609.65
  4. Step 4: Simplify right side
    7,421.97x = 51,200,166.19
  5. Step 5: Solve for x
    x = 51,200,166.19/7,421.97
  6. Step 6: Final answer
    x = 6,898.46

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1.5x scale

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.