Home / 5,326.33-7,989.52-1,628.54

Finding the Fourth Proportional to 5,326.33, 7,989.52 and 1,628.54

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Solution

The fourth proportional to 5,326.33, 7,989.52 and 1,628.54 is: 2,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.33 : 7,989.52 = 1,628.54 : x
  2. Step 2: Convert to fraction form
    5,326.33/7,989.52 = 1,628.54/x
  3. Step 3: Cross multiply
    5,326.33x = 7,989.52 × 1,628.54
  4. Step 4: Simplify right side
    5,326.33x = 13,011,268.80
  5. Step 5: Solve for x
    x = 13,011,268.80/5,326.33
  6. Step 6: Final answer
    x = 2,442.82

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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.