Home / 9,003.45-13,507.00-3,159.30

Finding the Fourth Proportional to 9,003.45, 13,507.00 and 3,159.30

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Solution

The fourth proportional to 9,003.45, 13,507.00 and 3,159.30 is: 4,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.45 : 13,507.00 = 3,159.30 : x
  2. Step 2: Convert to fraction form
    9,003.45/13,507.00 = 3,159.30/x
  3. Step 3: Cross multiply
    9,003.45x = 13,507.00 × 3,159.30
  4. Step 4: Simplify right side
    9,003.45x = 42,672,725.62
  5. Step 5: Solve for x
    x = 42,672,725.62/9,003.45
  6. Step 6: Final answer
    x = 4,739.60

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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.