Home / 7,867.16-11,792.50-2,934.80

Finding the Fourth Proportional to 7,867.16, 11,792.50 and 2,934.80

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Solution

The fourth proportional to 7,867.16, 11,792.50 and 2,934.80 is: 4,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.16 : 11,792.50 = 2,934.80 : x
  2. Step 2: Convert to fraction form
    7,867.16/11,792.50 = 2,934.80/x
  3. Step 3: Cross multiply
    7,867.16x = 11,792.50 × 2,934.80
  4. Step 4: Simplify right side
    7,867.16x = 34,608,629
  5. Step 5: Solve for x
    x = 34,608,629/7,867.16
  6. Step 6: Final answer
    x = 4,399.13

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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.