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Finding the Fourth Proportional to 5,543.70, 8,303.40 and 4,928.10

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Solution

The fourth proportional to 5,543.70, 8,303.40 and 4,928.10 is: 7,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.70 : 8,303.40 = 4,928.10 : x
  2. Step 2: Convert to fraction form
    5,543.70/8,303.40 = 4,928.10/x
  3. Step 3: Cross multiply
    5,543.70x = 8,303.40 × 4,928.10
  4. Step 4: Simplify right side
    5,543.70x = 40,919,985.54
  5. Step 5: Solve for x
    x = 40,919,985.54/5,543.70
  6. Step 6: Final answer
    x = 7,381.35

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