Home / 7,329.69-10,105.46-4,672.49

Finding the Fourth Proportional to 7,329.69, 10,105.46 and 4,672.49

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Solution

The fourth proportional to 7,329.69, 10,105.46 and 4,672.49 is: 6,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.69 : 10,105.46 = 4,672.49 : x
  2. Step 2: Convert to fraction form
    7,329.69/10,105.46 = 4,672.49/x
  3. Step 3: Cross multiply
    7,329.69x = 10,105.46 × 4,672.49
  4. Step 4: Simplify right side
    7,329.69x = 47,217,604.43
  5. Step 5: Solve for x
    x = 47,217,604.43/7,329.69
  6. Step 6: Final answer
    x = 6,441.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.