Home / 7,318.69-10,976.90-2,387.24

Finding the Fourth Proportional to 7,318.69, 10,976.90 and 2,387.24

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Solution

The fourth proportional to 7,318.69, 10,976.90 and 2,387.24 is: 3,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.69 : 10,976.90 = 2,387.24 : x
  2. Step 2: Convert to fraction form
    7,318.69/10,976.90 = 2,387.24/x
  3. Step 3: Cross multiply
    7,318.69x = 10,976.90 × 2,387.24
  4. Step 4: Simplify right side
    7,318.69x = 26,204,451.65
  5. Step 5: Solve for x
    x = 26,204,451.65/7,318.69
  6. Step 6: Final answer
    x = 3,580.48

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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.