Home / 4,416.38-6,624.42-1,129.46

Finding the Fourth Proportional to 4,416.38, 6,624.42 and 1,129.46

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Solution

The fourth proportional to 4,416.38, 6,624.42 and 1,129.46 is: 1,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.38 : 6,624.42 = 1,129.46 : x
  2. Step 2: Convert to fraction form
    4,416.38/6,624.42 = 1,129.46/x
  3. Step 3: Cross multiply
    4,416.38x = 6,624.42 × 1,129.46
  4. Step 4: Simplify right side
    4,416.38x = 7,482,017.41
  5. Step 5: Solve for x
    x = 7,482,017.41/4,416.38
  6. Step 6: Final answer
    x = 1,694.15

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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.