Home / 7,459.79-11,190.96-3,074.85

Finding the Fourth Proportional to 7,459.79, 11,190.96 and 3,074.85

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Solution

The fourth proportional to 7,459.79, 11,190.96 and 3,074.85 is: 4,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.79 : 11,190.96 = 3,074.85 : x
  2. Step 2: Convert to fraction form
    7,459.79/11,190.96 = 3,074.85/x
  3. Step 3: Cross multiply
    7,459.79x = 11,190.96 × 3,074.85
  4. Step 4: Simplify right side
    7,459.79x = 34,410,523.36
  5. Step 5: Solve for x
    x = 34,410,523.36/7,459.79
  6. Step 6: Final answer
    x = 4,612.80

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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.