Home / 6,879.28-10,322.88-2,984.08

Finding the Fourth Proportional to 6,879.28, 10,322.88 and 2,984.08

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Solution

The fourth proportional to 6,879.28, 10,322.88 and 2,984.08 is: 4,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.28 : 10,322.88 = 2,984.08 : x
  2. Step 2: Convert to fraction form
    6,879.28/10,322.88 = 2,984.08/x
  3. Step 3: Cross multiply
    6,879.28x = 10,322.88 × 2,984.08
  4. Step 4: Simplify right side
    6,879.28x = 30,804,299.75
  5. Step 5: Solve for x
    x = 30,804,299.75/6,879.28
  6. Step 6: Final answer
    x = 4,477.84

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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.