Home / 4,789.13-7,183.69-1,326.38

Finding the Fourth Proportional to 4,789.13, 7,183.69 and 1,326.38

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Solution

The fourth proportional to 4,789.13, 7,183.69 and 1,326.38 is: 1,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.13 : 7,183.69 = 1,326.38 : x
  2. Step 2: Convert to fraction form
    4,789.13/7,183.69 = 1,326.38/x
  3. Step 3: Cross multiply
    4,789.13x = 7,183.69 × 1,326.38
  4. Step 4: Simplify right side
    4,789.13x = 9,528,263.51
  5. Step 5: Solve for x
    x = 9,528,263.51/4,789.13
  6. Step 6: Final answer
    x = 1,989.56

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1.5x scale

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.