Home / 7,620.46-11,441.62-4,979.65

Finding the Fourth Proportional to 7,620.46, 11,441.62 and 4,979.65

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Solution

The fourth proportional to 7,620.46, 11,441.62 and 4,979.65 is: 7,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.46 : 11,441.62 = 4,979.65 : x
  2. Step 2: Convert to fraction form
    7,620.46/11,441.62 = 4,979.65/x
  3. Step 3: Cross multiply
    7,620.46x = 11,441.62 × 4,979.65
  4. Step 4: Simplify right side
    7,620.46x = 56,975,263.03
  5. Step 5: Solve for x
    x = 56,975,263.03/7,620.46
  6. Step 6: Final answer
    x = 7,476.62

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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.