Home / 6,867.64-9,477.08-3,723.76

Finding the Fourth Proportional to 6,867.64, 9,477.08 and 3,723.76

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Solution

The fourth proportional to 6,867.64, 9,477.08 and 3,723.76 is: 5,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.64 : 9,477.08 = 3,723.76 : x
  2. Step 2: Convert to fraction form
    6,867.64/9,477.08 = 3,723.76/x
  3. Step 3: Cross multiply
    6,867.64x = 9,477.08 × 3,723.76
  4. Step 4: Simplify right side
    6,867.64x = 35,290,324.04
  5. Step 5: Solve for x
    x = 35,290,324.04/6,867.64
  6. Step 6: Final answer
    x = 5,138.64

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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.