Home / 9,020.10-13,532.01-3,180.78

Finding the Fourth Proportional to 9,020.10, 13,532.01 and 3,180.78

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Solution

The fourth proportional to 9,020.10, 13,532.01 and 3,180.78 is: 4,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.10 : 13,532.01 = 3,180.78 : x
  2. Step 2: Convert to fraction form
    9,020.10/13,532.01 = 3,180.78/x
  3. Step 3: Cross multiply
    9,020.10x = 13,532.01 × 3,180.78
  4. Step 4: Simplify right side
    9,020.10x = 43,042,346.77
  5. Step 5: Solve for x
    x = 43,042,346.77/9,020.10
  6. Step 6: Final answer
    x = 4,771.83

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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.