Home / 6,487.45-9,734.05-3,154.21

Finding the Fourth Proportional to 6,487.45, 9,734.05 and 3,154.21

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Solution

The fourth proportional to 6,487.45, 9,734.05 and 3,154.21 is: 4,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.45 : 9,734.05 = 3,154.21 : x
  2. Step 2: Convert to fraction form
    6,487.45/9,734.05 = 3,154.21/x
  3. Step 3: Cross multiply
    6,487.45x = 9,734.05 × 3,154.21
  4. Step 4: Simplify right side
    6,487.45x = 30,703,237.85
  5. Step 5: Solve for x
    x = 30,703,237.85/6,487.45
  6. Step 6: Final answer
    x = 4,732.71

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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.