Home / 4,789.17-7,183.88-1,326.45

Finding the Fourth Proportional to 4,789.17, 7,183.88 and 1,326.45

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Solution

The fourth proportional to 4,789.17, 7,183.88 and 1,326.45 is: 1,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.17 : 7,183.88 = 1,326.45 : x
  2. Step 2: Convert to fraction form
    4,789.17/7,183.88 = 1,326.45/x
  3. Step 3: Cross multiply
    4,789.17x = 7,183.88 × 1,326.45
  4. Step 4: Simplify right side
    4,789.17x = 9,529,050.99
  5. Step 5: Solve for x
    x = 9,529,050.99/4,789.17
  6. Step 6: Final answer
    x = 1,989.71

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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.