Home / 6,858.27-10,279.13-3,155.42

Finding the Fourth Proportional to 6,858.27, 10,279.13 and 3,155.42

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Solution

The fourth proportional to 6,858.27, 10,279.13 and 3,155.42 is: 4,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.27 : 10,279.13 = 3,155.42 : x
  2. Step 2: Convert to fraction form
    6,858.27/10,279.13 = 3,155.42/x
  3. Step 3: Cross multiply
    6,858.27x = 10,279.13 × 3,155.42
  4. Step 4: Simplify right side
    6,858.27x = 32,434,905.21
  5. Step 5: Solve for x
    x = 32,434,905.21/6,858.27
  6. Step 6: Final answer
    x = 4,729.32

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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.