Home / 9,071.90-13,609.44-4,142.04

Finding the Fourth Proportional to 9,071.90, 13,609.44 and 4,142.04

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Solution

The fourth proportional to 9,071.90, 13,609.44 and 4,142.04 is: 6,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.90 : 13,609.44 = 4,142.04 : x
  2. Step 2: Convert to fraction form
    9,071.90/13,609.44 = 4,142.04/x
  3. Step 3: Cross multiply
    9,071.90x = 13,609.44 × 4,142.04
  4. Step 4: Simplify right side
    9,071.90x = 56,370,805.47
  5. Step 5: Solve for x
    x = 56,370,805.47/9,071.90
  6. Step 6: Final answer
    x = 6,213.78

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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.