Home / 9,220.20-13,813.89-3,871.62

Finding the Fourth Proportional to 9,220.20, 13,813.89 and 3,871.62

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Solution

The fourth proportional to 9,220.20, 13,813.89 and 3,871.62 is: 5,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.20 : 13,813.89 = 3,871.62 : x
  2. Step 2: Convert to fraction form
    9,220.20/13,813.89 = 3,871.62/x
  3. Step 3: Cross multiply
    9,220.20x = 13,813.89 × 3,871.62
  4. Step 4: Simplify right side
    9,220.20x = 53,482,132.80
  5. Step 5: Solve for x
    x = 53,482,132.80/9,220.20
  6. Step 6: Final answer
    x = 5,800.54

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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.