Home / 5,326.61-7,989.84-1,628.96

Finding the Fourth Proportional to 5,326.61, 7,989.84 and 1,628.96

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Solution

The fourth proportional to 5,326.61, 7,989.84 and 1,628.96 is: 2,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.61 : 7,989.84 = 1,628.96 : x
  2. Step 2: Convert to fraction form
    5,326.61/7,989.84 = 1,628.96/x
  3. Step 3: Cross multiply
    5,326.61x = 7,989.84 × 1,628.96
  4. Step 4: Simplify right side
    5,326.61x = 13,015,089.82
  5. Step 5: Solve for x
    x = 13,015,089.82/5,326.61
  6. Step 6: Final answer
    x = 2,443.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.