Home / 7,459.38-11,188.89-3,073.80

Finding the Fourth Proportional to 7,459.38, 11,188.89 and 3,073.80

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Solution

The fourth proportional to 7,459.38, 11,188.89 and 3,073.80 is: 4,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.38 : 11,188.89 = 3,073.80 : x
  2. Step 2: Convert to fraction form
    7,459.38/11,188.89 = 3,073.80/x
  3. Step 3: Cross multiply
    7,459.38x = 11,188.89 × 3,073.80
  4. Step 4: Simplify right side
    7,459.38x = 34,392,410.08
  5. Step 5: Solve for x
    x = 34,392,410.08/7,459.38
  6. Step 6: Final answer
    x = 4,610.63

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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.