Home / 7,884.71-11,810.66-3,728.04

Finding the Fourth Proportional to 7,884.71, 11,810.66 and 3,728.04

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Solution

The fourth proportional to 7,884.71, 11,810.66 and 3,728.04 is: 5,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.71 : 11,810.66 = 3,728.04 : x
  2. Step 2: Convert to fraction form
    7,884.71/11,810.66 = 3,728.04/x
  3. Step 3: Cross multiply
    7,884.71x = 11,810.66 × 3,728.04
  4. Step 4: Simplify right side
    7,884.71x = 44,030,666.52
  5. Step 5: Solve for x
    x = 44,030,666.52/7,884.71
  6. Step 6: Final answer
    x = 5,584.31

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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.