Home / 4,789.52-7,184.28-1,326.68

Finding the Fourth Proportional to 4,789.52, 7,184.28 and 1,326.68

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Solution

The fourth proportional to 4,789.52, 7,184.28 and 1,326.68 is: 1,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.52 : 7,184.28 = 1,326.68 : x
  2. Step 2: Convert to fraction form
    4,789.52/7,184.28 = 1,326.68/x
  3. Step 3: Cross multiply
    4,789.52x = 7,184.28 × 1,326.68
  4. Step 4: Simplify right side
    4,789.52x = 9,531,240.59
  5. Step 5: Solve for x
    x = 9,531,240.59/4,789.52
  6. Step 6: Final answer
    x = 1,990.02

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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.