Home / 7,851.13-11,776.69-2,007.28

Finding the Fourth Proportional to 7,851.13, 11,776.69 and 2,007.28

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Solution

The fourth proportional to 7,851.13, 11,776.69 and 2,007.28 is: 3,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.13 : 11,776.69 = 2,007.28 : x
  2. Step 2: Convert to fraction form
    7,851.13/11,776.69 = 2,007.28/x
  3. Step 3: Cross multiply
    7,851.13x = 11,776.69 × 2,007.28
  4. Step 4: Simplify right side
    7,851.13x = 23,639,131.53
  5. Step 5: Solve for x
    x = 23,639,131.53/7,851.13
  6. Step 6: Final answer
    x = 3,010.92

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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.