Home / 7,190.30-10,789.64-3,030.05

Finding the Fourth Proportional to 7,190.30, 10,789.64 and 3,030.05

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Solution

The fourth proportional to 7,190.30, 10,789.64 and 3,030.05 is: 4,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.30 : 10,789.64 = 3,030.05 : x
  2. Step 2: Convert to fraction form
    7,190.30/10,789.64 = 3,030.05/x
  3. Step 3: Cross multiply
    7,190.30x = 10,789.64 × 3,030.05
  4. Step 4: Simplify right side
    7,190.30x = 32,693,079.58
  5. Step 5: Solve for x
    x = 32,693,079.58/7,190.30
  6. Step 6: Final answer
    x = 4,546.83

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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.