Home / 4,416.80-6,624.96-1,129.96

Finding the Fourth Proportional to 4,416.80, 6,624.96 and 1,129.96

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Solution

The fourth proportional to 4,416.80, 6,624.96 and 1,129.96 is: 1,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.80 : 6,624.96 = 1,129.96 : x
  2. Step 2: Convert to fraction form
    4,416.80/6,624.96 = 1,129.96/x
  3. Step 3: Cross multiply
    4,416.80x = 6,624.96 × 1,129.96
  4. Step 4: Simplify right side
    4,416.80x = 7,485,939.80
  5. Step 5: Solve for x
    x = 7,485,939.80/4,416.80
  6. Step 6: Final answer
    x = 1,694.88

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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.