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Finding the Fourth Proportional to 5,123.40, 7,685.10 and 4,795.35

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Solution

The fourth proportional to 5,123.40, 7,685.10 and 4,795.35 is: 7,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.40 : 7,685.10 = 4,795.35 : x
  2. Step 2: Convert to fraction form
    5,123.40/7,685.10 = 4,795.35/x
  3. Step 3: Cross multiply
    5,123.40x = 7,685.10 × 4,795.35
  4. Step 4: Simplify right side
    5,123.40x = 36,852,744.29
  5. Step 5: Solve for x
    x = 36,852,744.29/5,123.40
  6. Step 6: Final answer
    x = 7,193.03

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