Home / 7,789.27-10,749.22-4,252.54

Finding the Fourth Proportional to 7,789.27, 10,749.22 and 4,252.54

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Solution

The fourth proportional to 7,789.27, 10,749.22 and 4,252.54 is: 5,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.27 : 10,749.22 = 4,252.54 : x
  2. Step 2: Convert to fraction form
    7,789.27/10,749.22 = 4,252.54/x
  3. Step 3: Cross multiply
    7,789.27x = 10,749.22 × 4,252.54
  4. Step 4: Simplify right side
    7,789.27x = 45,711,488.02
  5. Step 5: Solve for x
    x = 45,711,488.02/7,789.27
  6. Step 6: Final answer
    x = 5,868.52

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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.