Home / 7,746.49-11,613.78-3,847.87

Finding the Fourth Proportional to 7,746.49, 11,613.78 and 3,847.87

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Solution

The fourth proportional to 7,746.49, 11,613.78 and 3,847.87 is: 5,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.49 : 11,613.78 = 3,847.87 : x
  2. Step 2: Convert to fraction form
    7,746.49/11,613.78 = 3,847.87/x
  3. Step 3: Cross multiply
    7,746.49x = 11,613.78 × 3,847.87
  4. Step 4: Simplify right side
    7,746.49x = 44,688,315.65
  5. Step 5: Solve for x
    x = 44,688,315.65/7,746.49
  6. Step 6: Final answer
    x = 5,768.85

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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.