Home / 9,002.21-13,503.29-3,157.43

Finding the Fourth Proportional to 9,002.21, 13,503.29 and 3,157.43

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Solution

The fourth proportional to 9,002.21, 13,503.29 and 3,157.43 is: 4,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.21 : 13,503.29 = 3,157.43 : x
  2. Step 2: Convert to fraction form
    9,002.21/13,503.29 = 3,157.43/x
  3. Step 3: Cross multiply
    9,002.21x = 13,503.29 × 3,157.43
  4. Step 4: Simplify right side
    9,002.21x = 42,635,609.64
  5. Step 5: Solve for x
    x = 42,635,609.64/9,002.21
  6. Step 6: Final answer
    x = 4,736.13

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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.