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Finding the Fourth Proportional to 7,075.82, 10,613.72 and 1,881.70

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Solution

The fourth proportional to 7,075.82, 10,613.72 and 1,881.70 is: 2,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.82 : 10,613.72 = 1,881.70 : x
  2. Step 2: Convert to fraction form
    7,075.82/10,613.72 = 1,881.70/x
  3. Step 3: Cross multiply
    7,075.82x = 10,613.72 × 1,881.70
  4. Step 4: Simplify right side
    7,075.82x = 19,971,836.92
  5. Step 5: Solve for x
    x = 19,971,836.92/7,075.82
  6. Step 6: Final answer
    x = 2,822.55

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