Home / 7,789.80-10,749.87-4,252.94

Finding the Fourth Proportional to 7,789.80, 10,749.87 and 4,252.94

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Solution

The fourth proportional to 7,789.80, 10,749.87 and 4,252.94 is: 5,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.80 : 10,749.87 = 4,252.94 : x
  2. Step 2: Convert to fraction form
    7,789.80/10,749.87 = 4,252.94/x
  3. Step 3: Cross multiply
    7,789.80x = 10,749.87 × 4,252.94
  4. Step 4: Simplify right side
    7,789.80x = 45,718,498.37
  5. Step 5: Solve for x
    x = 45,718,498.37/7,789.80
  6. Step 6: Final answer
    x = 5,869.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.