Home / 7,808.18-11,716.84-2,881.25

Finding the Fourth Proportional to 7,808.18, 11,716.84 and 2,881.25

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Solution

The fourth proportional to 7,808.18, 11,716.84 and 2,881.25 is: 4,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.18 : 11,716.84 = 2,881.25 : x
  2. Step 2: Convert to fraction form
    7,808.18/11,716.84 = 2,881.25/x
  3. Step 3: Cross multiply
    7,808.18x = 11,716.84 × 2,881.25
  4. Step 4: Simplify right side
    7,808.18x = 33,759,079.46
  5. Step 5: Solve for x
    x = 33,759,079.46/7,808.18
  6. Step 6: Final answer
    x = 4,323.56

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1.5x scale

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.