Home / 6,858.76-10,279.87-3,155.92

Finding the Fourth Proportional to 6,858.76, 10,279.87 and 3,155.92

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Solution

The fourth proportional to 6,858.76, 10,279.87 and 3,155.92 is: 4,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.76 : 10,279.87 = 3,155.92 : x
  2. Step 2: Convert to fraction form
    6,858.76/10,279.87 = 3,155.92/x
  3. Step 3: Cross multiply
    6,858.76x = 10,279.87 × 3,155.92
  4. Step 4: Simplify right side
    6,858.76x = 32,442,447.33
  5. Step 5: Solve for x
    x = 32,442,447.33/6,858.76
  6. Step 6: Final answer
    x = 4,730.07

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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.