Home / 6,858.52-10,279.50-3,155.68

Finding the Fourth Proportional to 6,858.52, 10,279.50 and 3,155.68

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Solution

The fourth proportional to 6,858.52, 10,279.50 and 3,155.68 is: 4,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.52 : 10,279.50 = 3,155.68 : x
  2. Step 2: Convert to fraction form
    6,858.52/10,279.50 = 3,155.68/x
  3. Step 3: Cross multiply
    6,858.52x = 10,279.50 × 3,155.68
  4. Step 4: Simplify right side
    6,858.52x = 32,438,812.56
  5. Step 5: Solve for x
    x = 32,438,812.56/6,858.52
  6. Step 6: Final answer
    x = 4,729.71

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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.