Home / 7,808.16-11,716.86-2,881.26

Finding the Fourth Proportional to 7,808.16, 11,716.86 and 2,881.26

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Solution

The fourth proportional to 7,808.16, 11,716.86 and 2,881.26 is: 4,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.16 : 11,716.86 = 2,881.26 : x
  2. Step 2: Convert to fraction form
    7,808.16/11,716.86 = 2,881.26/x
  3. Step 3: Cross multiply
    7,808.16x = 11,716.86 × 2,881.26
  4. Step 4: Simplify right side
    7,808.16x = 33,759,320.04
  5. Step 5: Solve for x
    x = 33,759,320.04/7,808.16
  6. Step 6: Final answer
    x = 4,323.59

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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.