Home / 4,458.89-6,687.49-1,296.70

Finding the Fourth Proportional to 4,458.89, 6,687.49 and 1,296.70

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Solution

The fourth proportional to 4,458.89, 6,687.49 and 1,296.70 is: 1,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.89 : 6,687.49 = 1,296.70 : x
  2. Step 2: Convert to fraction form
    4,458.89/6,687.49 = 1,296.70/x
  3. Step 3: Cross multiply
    4,458.89x = 6,687.49 × 1,296.70
  4. Step 4: Simplify right side
    4,458.89x = 8,671,668.28
  5. Step 5: Solve for x
    x = 8,671,668.28/4,458.89
  6. Step 6: Final answer
    x = 1,944.80

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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.